The Big Bang Theory

Season 1

17 episodes ▾

S01E01 Pilot

▾

Director

James Burrows

Writers

Chuck Lorre Bill Prady

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Brian Patrick Wade Kurt

Vernee Watson Althea

S01E02 The Big Bran Hypothesis

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Bill Prady David Goetsch Robert Cohen

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

No data

S01E03 The Fuzzy Boots Corollary

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steven Molaro Bill Prady

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Sara Gilbert Leslie Winkle

Sherry Weston Dance Instructor

Allen Nabors Doug

Treisa Gary Waitress

S01E04 The Luminous Fish Effect

▾

Director

Bob Koherr

Writers

Chuck Lorre Bill Prady David Litt Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Laurie Metcalf Mary Cooper

Mark Harelik Eric Gablehauser

Sierra Edwards Summer

Netta Most American Shopper (uncredited)

S01E05 The Hamburger Postulate

▾

Director

Andrew D. Weyman

Writers

David Goetsch Steven Molaro Jennifer Glickman

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Sara Gilbert Leslie Winkle

S01E06 The Middle-Earth Paradigm

▾

Director

Mark Cendrowski

Writers

David Goetsch David Litt Robert Cohen

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Kimberly Kevon Williams Vicki

Brian Patrick Wade Kurt

Erin Allin O'Reilly Cheryl

Rachel Cannon Patty

Cynthia Holloway Roberta

S01E07 The Dumpling Paradox

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Bill Prady Jennifer Glickman Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Brooke D'Orsay Christy Vanderbel

James Hong Chen

Carol Ann Susi Debbie Wolowitz (voice)

Kimberly Brooks Automated Cell Phone Voice (voice)

S01E08 The Grasshopper Experiment

▾

Director

Ted Wass

Writers

Steven Molaro David Goetsch Lee Aronsohn Robert Cohen

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Alice Amter Mrs. Koothrappali

Brian George V.M. Koothrappali

Sarayu Blue Lalita Gupta

S01E09 The Cooper-Hofstadter Polarization

▾

Director

Joel Murray

Writers

Bill Prady Chuck Lorre David Goetsch Lee Aronsohn Stephen Engel

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Talbott Lin Chinese Leonard

Howard Chan Chinese Sheldon

S01E10 The Loobenfeld Decay

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Bill Prady Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

DJ Qualls Toby Loobenfeld

S01E11 The Pancake Batter Anomaly

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Bill Prady Lee Aronsohn Stephen Engel

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Erin Allin O'Reilly Cheryl

Carol Ann Susi Debbie Wolowitz (voice)

S01E12 The Jerusalem Duality

▾

Director

Mark Cendrowski

Writers

David Goetsch Steven Molaro Jennifer Glickman Stephen Engel

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Emma Degerstedt Emma

Joel Brooks Professor Goldfarb

Mark Harelik Eric Gablehauser

Austin Lee Dennis Kim

S01E13 The Bat Jar Conjecture

▾

Director

Mark Cendrowski

Writers

Jennifer Glickman Bill Prady Stephen Engel Robert Cohen

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Sara Gilbert Leslie Winkle

Mark Harelik Eric Gablehauser

Sandra Marquez Woman

Sergio Enrique Son

Adam Gregor Dmitri

S01E14 The Nerdvana Annihilation

▾

Director

Mark Cendrowski

Writers

Bill Prady Steven Molaro Stephen Engel

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Andrew W. Walker Mike

S01E15 The Pork Chop Indeterminacy

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Bill Prady Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Courtney Henggeler Missy Cooper

S01E16 The Peanut Reaction

▾

Director

Mark Cendrowski

Writers

Bill Prady David Goetsch Steven Molaro Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Vernee Watson Althea

Judith Moreland Jan

Ronald Hunter Dan

Chuck Carter Stan

S01E17 The Tangerine Factor

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Bill Prady Steven Molaro Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

James Hong Chen

Season 2

23 episodes ▾

S02E01 The Bad Fish Paradigm

▾

Director

Mark Cendrowski

Writers

Bill Prady David Goetsch Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Carol Ann Susi Debbie Wolowitz (voice)

S02E02 The Codpiece Topology

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Bill Prady Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Sara Gilbert Leslie Winkle

Travis Schuldt Eric

S02E03 The Barbarian Sublimation

▾

Director

Mark Cendrowski

Writers

Eric Kaplan Steven Molaro Nikki Lorre

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Sara Gilbert Leslie Winkle

Mark Harelik Eric Gablehauser

Tyler Jon Olson Blaine

Mark Hames Tom

S02E04 The Griffin Equivalency

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Bill Prady Tim Doyle Stephen Engel

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Alice Amter Mrs. Koothrappali

Brian George V.M. Koothrappali

Mark Harelik Eric Gablehauser

Charlie Sheen Charlie Sheen

S02E05 The Euclid Alternative

▾

Director

Mark Cendrowski

Writers

Steven Molaro Bill Prady David Goetsch Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Octavia Spencer Octavia

Elena Campbell-Martinez Maria

Livia Treviño Lourdes

S02E06 The Cooper-Nowitzki Theorem

▾

Director

Mark Cendrowski

Writers

Tim Doyle Richard A. Rosenstock Stephen Engel Daley Haggar

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Sara Gilbert Leslie Winkle

Riki Lindhome Ramona Nowitzki

Emily Happe Kathy O'Brien

S02E07 The Panty Piñata Polarization

▾

Director

Mark Cendrowski

Writers

Bill Prady Steven Molaro Tim Doyle Jennifer Glickman

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Lio Tipton Analeigh Tipton

Samantha Potter Model

S02E08 The Lizard-Spock Expansion

▾

Director

Mark Cendrowski

Writers

Bill Prady David Goetsch Jennifer Glickman

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Carol Ann Susi Debbie Wolowitz (voice)

Robert Clotworthy Announcer (voice)

Sara Rue Stephanie Barnett

Jennifer Hale News Announcer (voice)

S02E09 The White Asparagus Triangulation

▾

Director

Mark Cendrowski

Writers

Steven Molaro David Goetsch Richard A. Rosenstock Stephen Engel

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Sara Rue Stephanie Barnett

S02E10 The Vartabedian Conundrum

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steven Molaro Bill Prady Richard A. Rosenstock

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Sara Rue Stephanie Barnett

S02E11 The Bath Item Gift Hypothesis

▾

Director

Mark Cendrowski

Writers

Bill Prady Eric Kaplan Richard A. Rosenstock Stephen Engel

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Michael Trucco David Underhill

Michael Hyatt Charlotte

S02E12 The Killer Robot Instability

▾

Director

Mark Cendrowski

Writers

Bill Prady Steven Molaro Richard A. Rosenstock Daley Haggar

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

John Ross Bowie Barry Kripke

Carol Ann Susi Debbie Wolowitz (voice)

S02E13 The Friendship Algorithm

▾

Director

Mark Cendrowski

Writers

Bill Prady Chuck Lorre Steven Molaro Richard A. Rosenstock

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

John Ross Bowie Barry Kripke

Will Deutsch Jeremy

Jane Galloway Heitz Mildred

Jade Zdanow Rebecca

S02E14 The Financial Permeability

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steven Molaro Eric Kaplan Richard A. Rosenstock

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Brian Patrick Wade Kurt

S02E15 The Maternal Capacitance

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Bill Prady Steven Molaro Richard A. Rosenstock

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Christine Baranski Beverly Hofstadter

S02E16 The Cushion Saturation

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Bill Prady Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Sara Gilbert Leslie Winkle

Carol Ann Susi Debbie Wolowitz (voice)

S02E17 The Terminator Decoupling

▾

Director

Mark Cendrowski

Writers

Bill Prady David Goetsch Tim Doyle Stephen Engel

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Summer Glau Summer Glau

Robert Clotworthy Train Conductor (voice)

George F. Smoot George F. Smoot

S02E18 The Work Song Nanocluster

▾

Director

Peter Chakos

Writers

Bill Prady David Goetsch Richard A. Rosenstock Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

No data

S02E19 The Dead Hooker Juxtaposition

▾

Director

Mark Cendrowski

Writers

Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Valerie Azlynn Alicia

Carol Ann Susi Debbie Wolowitz (voice)

S02E20 The Hofstadter Isotope

▾

Director

Mark Cendrowski

Writers

David Goetsch

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Kevin Sussman Stuart Bloom

S02E21 The Vegas Renormalization

▾

Director

Mark Cendrowski

Writers

Steven Molaro Jessica Ambrosetti Nikki Lorre Andy Roth

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Jodi Lyn O'Keefe Mikayla

S02E22 The Classified Materials Turbulence

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steven Molaro Bill Prady Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Kevin Sussman Stuart Bloom

Travis Davis Ground Controller (voice)

Robert Clotworthy Astronaut (voice)

S02E23 The Monopolar Expedition

▾

Director

Mark Cendrowski

Writers

Eric Kaplan Richard A. Rosenstock

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Alice Amter Mrs. Koothrappali

Brian George V.M. Koothrappali

Carol Ann Susi Debbie Wolowitz (voice)

Season 3

23 episodes ▾

S03E01 The Electric Can Opener Fluctuation

▾

Director

Mark Cendrowski

Writers

Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Laurie Metcalf Mary Cooper

John Ross Bowie Barry Kripke

S03E02 The Jiminy Conjecture

▾

Director

Mark Cendrowski

Writers

Jim Reynolds

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Lewis Black Professor Crawley

S03E03 The Gothowitz Deviation

▾

Director

Mark Cendrowski

Writers

Maria Ferrari Bill Prady Richard A. Rosenstock Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Molly Morgan Bethany

Sarah Buehler Sarah

Andy Mackenzie Skeeter

S03E04 The Pirate Solution

▾

Director

Mark Cendrowski

Writers

Steve Holland

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Elizabeth Bogush Catherine Millstone

Oliver Muirhead Professor Laughlin

S03E05 The Creepy Candy Coating Corollary

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Bill Prady Steven Molaro Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Melissa Rauch Bernadette Rostenkowski

Kevin Sussman Stuart Bloom

Wil Wheaton Wil Wheaton

S03E06 The Cornhusker Vortex

▾

Director

Mark Cendrowski

Writers

Steven Molaro Bill Prady David Goetsch Richard A. Rosenstock

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Zachary Abel Todd

Jason Mesches Denny

S03E07 The Guitarist Amplification

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Jim Reynolds Bill Prady Richard A. Rosenstock Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Kevin Sussman Stuart Bloom

Alice Amter Mrs. Koothrappali

Brian George V.M. Koothrappali

Carol Ann Susi Debbie Wolowitz (voice)

S03E08 The Adhesive Duck Deficiency

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Bill Prady David Goetsch Eric Kaplan Steven Molaro Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

No data

S03E09 The Vengeance Formulation

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Jim Reynolds Steve Holland Maria Ferrari Richard A. Rosenstock

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Melissa Rauch Bernadette Rostenkowski

John Ross Bowie Barry Kripke

Carol Ann Susi Debbie Wolowitz (voice)

Ira Flatow Ira Flatow (voice)

Katee Sackhoff Katee Sackhoff

S03E10 The Gorilla Experiment

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steve Holland Steven Molaro Maria Ferrari Bill Prady Richard A. Rosenstock

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Melissa Rauch Bernadette Rostenkowski

Carol Ann Susi Debbie Wolowitz (voice)

S03E11 The Maternal Congruence

▾

Director

Mark Cendrowski

Writers

Steven Molaro Maria Ferrari Chuck Lorre David Goetsch Bill Prady Richard A. Rosenstock Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Christine Baranski Beverly Hofstadter

S03E12 The Psychic Vortex

▾

Director

Mark Cendrowski

Writers

Steven Molaro Jim Reynolds Chuck Lorre Eric Kaplan Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Melissa Rauch Bernadette Rostenkowski

Danica McKellar Abby

David Trice Waiter

Jen Drohan Martha

S03E13 The Bozeman Reaction

▾

Director

Mark Cendrowski

Writers

Steve Holland Bill Prady Chuck Lorre Jim Reynolds Steven Molaro Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Julio Oscar Mechoso Officer Hackett

Artie O'Daly Young Man

S03E14 The Einstein Approximation

▾

Director

Mark Cendrowski

Writers

Steve Holland Chuck Lorre David Goetsch Eric Kaplan Steven Molaro Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Melissa Rauch Bernadette Rostenkowski

Yeardley Smith Sandy

Kevin Brief Glen

S03E15 The Large Hadron Collision

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steven Molaro Jim Reynolds Maria Ferrari Richard A. Rosenstock Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

No data

S03E16 The Excelsior Acquisition

▾

Director

Peter Chakos

Writers

Chuck Lorre Steven Molaro Steve Holland Maria Ferrari Bill Prady Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Kevin Sussman Stuart Bloom

Marcus Folmar Security Guard

Stan Lee Stan Lee

Steve Paymer Judge J. Kirby

S03E17 The Precious Fragmentation

▾

Director

Mark Cendrowski

Writers

Maria Ferrari Eric Kaplan Steven Molaro Bill Prady Richard A. Rosenstock Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Frank Maharajh Venkatesh Koothrappali

S03E18 The Pants Alternative

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Jim Reynolds Bill Prady Steve Holland Eric Kaplan Richard A. Rosenstock

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

No data

S03E19 The Wheaton Recurrence

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steven Molaro Jim Reynolds David Goetsch Maria Ferrari Jessica Ambrosetti Bill Prady Nikki Lorre

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Kevin Sussman Stuart Bloom

Wil Wheaton Wil Wheaton

S03E20 The Spaghetti Catalyst

▾

Director

Anthony Rich

Writers

Chuck Lorre Lee Aronsohn Bill Prady Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

No data

S03E21 The Plimpton Stimulation

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Jim Reynolds Bill Prady Steven Molaro Maria Ferrari Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Judy Greer Elizabeth Plimpton

S03E22 The Staircase Implementation

▾

Director

Mark Cendrowski

Writers

Steven Molaro Steve Holland Chuck Lorre David Goetsch Maria Ferrari Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Carol Ann Susi Debbie Wolowitz (voice)

Ed Lieberman Announcer (voice)

Ally Maki Joyce Kim

Steven Yeun Sebastian

Ajgie Kirkland Louie

S03E23 The Lunar Excitation

▾

Director

Peter Chakos

Writers

Chuck Lorre Steve Holland Maria Ferrari Bill Prady Steven Molaro Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Guest Stars

Mayim Bialik Amy Farrah Fowler

Sara Gilbert Leslie Winkle

Lauri Johnson Mrs. Gunderson

Brian Thomas Smith Zack Johnson

Season 4

24 episodes ▾

S04E01 The Robotic Manipulation

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steve Holland David Goetsch Eric Kaplan Steven Molaro Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Vernee Watson Althea

Carol Ann Susi Debbie Wolowitz (voice)

S04E02 The Cruciferous Vegetable Amplification

▾

Director

Mark Cendrowski

Writers

Jim Reynolds Bill Prady Steve Holland Chuck Lorre Steven Molaro Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Steve Wozniak Steve Wozniak

S04E03 The Zazzy Substitution

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Bill Prady Jim Reynolds Steven Molaro Maria Ferrari Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Laurie Metcalf Mary Cooper

S04E04 The Hot Troll Deviation

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steven Molaro Adam Faberman Maria Ferrari Bill Prady Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

George Takei George Takei

Carol Ann Susi Debbie Wolowitz (voice)

Katee Sackhoff Katee Sackhoff

S04E05 The Desperation Emanation

▾

Director

Mark Cendrowski

Writers

Steve Holland Bill Prady Chuck Lorre David Goetsch Steven Molaro Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Carol Ann Susi Debbie Wolowitz (voice)

Annie O'Donnell Mrs. Fowler

Charlotte Newhouse Joy

S04E06 The Irish Pub Formulation

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steven Molaro Eric Kaplan Maria Ferrari Bill Prady Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Aarti Mann Priya Koothrappali

S04E07 The Apology Insufficiency

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steve Holland Maria Ferrari Steven Molaro Bill Prady Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Eliza Dushku Angela Page

Neil deGrasse Tyson Neil deGrasse Tyson

S04E08 The 21-Second Excitation

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steve Holland Bill Prady Jim Reynolds Steven Molaro Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Eric André Joey

Wil Wheaton Wil Wheaton

S04E09 The Boyfriend Complexity

▾

Director

Mark Cendrowski

Writers

Chuck Lorre David Goetsch Jim Reynolds Steven Molaro Bill Prady Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Keith Carradine Wyatt Teller

S04E10 The Alien Parasite Hypothesis

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steven Molaro Jim Reynolds Steve Holland Maria Ferrari Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Brian Thomas Smith Zack Johnson

S04E11 The Justice League Recombination

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steve Holland Maria Ferrari Steven Molaro Bill Prady Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Brian Thomas Smith Zack Johnson

S04E12 The Bus Pants Utilization

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Maria Ferrari Eric Kaplan Steven Molaro Bill Prady Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

No data

S04E13 The Love Car Displacement

▾

Director

Anthony Rich

Writers

Chuck Lorre Steve Holland Bill Prady David Goetsch Steven Molaro Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Rick Fox Glenn

Ed Lieberman Announcer (voice)

S04E14 The Thespian Catalyst

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Jim Reynolds Steven Molaro Maria Ferrari Bill Prady Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

No data

S04E15 The Benefactor Factor

▾

Director

Mark Cendrowski

Writers

Steve Holland Bill Prady Chuck Lorre David Goetsch Eric Kaplan Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Jessica Walter Mrs. Latham

Joshua Malina President Siebert

S04E16 The Cohabitation Formulation

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Jim Reynolds David Goetsch Steven Molaro Bill Prady Lee Aronsohn

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Aarti Mann Priya Koothrappali

Carol Ann Susi Debbie Wolowitz (voice)

S04E17 The Toast Derivation

▾

Director

Mark Cendrowski

Writers

Jim Reynolds Maria Ferrari Bill Prady Chuck Lorre David Goetsch Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Aarti Mann Priya Koothrappali

John Ross Bowie Barry Kripke

LeVar Burton LeVar Burton

Brian Thomas Smith Zack Johnson

S04E18 The Prestidigitation Approximation

▾

Director

Mark Cendrowski

Writers

Bill Prady Steve Holland Chuck Lorre Eric Kaplan Steven Molaro Eddie Gorodetsky

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Aarti Mann Priya Koothrappali

S04E19 The Zarnecki Incursion

▾

Director

Peter Chakos

Writers

Chuck Lorre Steven Molaro Jim Reynolds Maria Ferrari David Goetsch Bill Prady

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Aarti Mann Priya Koothrappali

Carol Ann Susi Debbie Wolowitz (voice)

Lanny Joon Officer Shin

Chris Reed Todd Zarnecki

S04E20 The Herb Garden Germination

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steve Holland Eric Kaplan Steven Molaro Bill Prady Eddie Gorodetsky

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Alice Amter Mrs. Koothrappali

Aarti Mann Priya Koothrappali

Brian George V.M. Koothrappali

Brian Greene Brian Greene

S04E21 The Agreement Dissection

▾

Director

Mark Cendrowski

Writers

Bill Prady Chuck Lorre David Goetsch Eric Kaplan Steven Molaro Eddie Gorodetsky

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Aarti Mann Priya Koothrappali

Arnold Chun Ho-Jun

Tom Yi Dispatcher (voice)

S04E22 The Wildebeest Implementation

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steven Molaro Eric Kaplan Maria Ferrari Bill Prady Eddie Gorodetsky

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Aarti Mann Priya Koothrappali

Tiffany Dupont Angela

Whitney Avalon Elsie

S04E23 The Engagement Reaction

▾

Director

Howard Murray

Writers

Steve Holland Eric Kaplan Bill Prady Chuck Lorre Jim Reynolds Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Aarti Mann Priya Koothrappali

Phil Abrams Dr. Bernstein

Carol Ann Susi Debbie Wolowitz (voice)

Sharon Omi Nurse in Biohazard Suit

S04E24 The Roommate Transmogrification

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steven Molaro Jim Reynolds Eric Kaplan Bill Prady Eddie Gorodetsky

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Alice Amter Mrs. Koothrappali

Aarti Mann Priya Koothrappali

Brian George V.M. Koothrappali

Carol Ann Susi Debbie Wolowitz (voice)

Season 5

24 episodes ▾

S05E01 The Skank Reflex Analysis

▾

Director

Mark Cendrowski

Writers

Maria Ferrari Eric Kaplan Anthony Del Broccolo Chuck Lorre Steven Molaro Bill Prady

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Stacey Travis Sandy

Christine Baranski Beverly Hofstadter

S05E02 The Infestation Hypothesis

▾

Director

Mark Cendrowski

Writers

Steven Molaro Jim Reynolds Steve Holland Maria Ferrari Bill Prady Chuck Lorre

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Alice Amter Mrs. Koothrappali

Aarti Mann Priya Koothrappali

Brian George V.M. Koothrappali

S05E03 The Pulled Groin Extrapolation

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Eric Kaplan David Goetsch Jim Reynolds Steven Molaro Bill Prady

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Carol Ann Susi Debbie Wolowitz (voice)

S05E04 The Wiggly Finger Catalyst

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steve Holland Anthony Del Broccolo David Goetsch Steven Molaro Bill Prady

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Alice Amter Mrs. Koothrappali

Brian George V.M. Koothrappali

Katie Leclerc Emily

S05E05 The Russian Rocket Reaction

▾

Director

Mark Cendrowski

Writers

Steven Molaro Bill Prady Chuck Lorre Eric Kaplan Jim Reynolds Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Carol Ann Susi Debbie Wolowitz (voice)

Wil Wheaton Wil Wheaton

Brent Spiner Brent Spiner (uncredited)

S05E06 The Rhinitis Revelation

▾

Director

Howard Murray

Writers

Chuck Lorre Jim Reynolds Eric Kaplan Steve Holland Steven Molaro Bill Prady

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Laurie Metcalf Mary Cooper

S05E07 The Good Guy Fluctuation

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steve Holland Maria Ferrari David Goetsch Steven Molaro Bill Prady

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Aarti Mann Priya Koothrappali

Courtney Ford Alice

S05E08 The Isolation Permutation

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Tara Hernandez Steve Holland Eric Kaplan Steven Molaro Bill Prady

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

No data

S05E09 The Ornithophobia Diffusion

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Anthony Del Broccolo David Goetsch Eric Kaplan Steven Molaro Bill Prady

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Blake Berris Kevin

Ashley Austin Morris Laura

S05E10 The Flaming Spittoon Acquisition

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steven Molaro Jim Reynolds Steve Holland David Goetsch Bill Prady

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Josh Brener Dale

S05E11 The Speckerman Recurrence

▾

Director

Anthony Rich

Writers

Chuck Lorre Bill Prady Steve Holland Eric Kaplan Steven Molaro Anthony Del Broccolo

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Lance Barber Jimmy Speckerman

S05E12 The Shiny Trinket Maneuver

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Tara Hernandez Jim Reynolds Steve Holland Steven Molaro Bill Prady

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Carol Ann Susi Debbie Wolowitz (voice)

Jonathan Schmock Jonathan

Jadon Sand Aaron

Dusan Brown Jeremy

S05E13 The Recombination Hypothesis

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steven Molaro Bill Prady

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Jim Turner Reverend White

S05E14 The Beta Test Initiation

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steven Molaro Eric Kaplan David Goetsch Maria Ferrari Bill Prady

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

John Ross Bowie Barry Kripke

Becky O'Donohue Siri (voice)

Kevin Brief Security Guard

S05E15 The Friendship Contraction

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steve Holland Eric Kaplan Jim Reynolds Steven Molaro Bill Prady

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Carol Ann Susi Debbie Wolowitz (voice)

Michael J. Massimino Michael J. Massimino

S05E16 The Vacation Solution

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Tara Hernandez Anthony Del Broccolo Steven Molaro Maria Ferrari Bill Prady

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Nick Clifford Phil

Joshua Malina President Siebert

S05E17 The Rothman Disintegration

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Jim Reynolds Bill Prady Steve Holland Eric Kaplan Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

John Ross Bowie Barry Kripke

Lynn Philip Seibel Professor Rothman

Joshua Malina President Siebert

S05E18 The Werewolf Transformation

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Jim Reynolds Steven Molaro Maria Ferrari Bill Prady Gary Torvinen Todd Craig

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Peter Onorati Angelo

Vernee Watson Althea

Carol Ann Susi Debbie Wolowitz (voice)

S05E19 The Weekend Vortex

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Tara Hernandez Steve Holland Bill Prady Eric Kaplan Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Carol Ann Susi Debbie Wolowitz (voice)

S05E20 The Transporter Malfunction

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Jim Reynolds Steve Holland Maria Ferrari Bill Prady Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Alice Amter Mrs. Koothrappali

Brian George V.M. Koothrappali

Chriselle Almeida Lakshmi Choudry

Leonard Nimoy Mr. Spock (voice)

S05E21 The Hawking Excitation

▾

Director

Mark Cendrowski

Writers

Steven Molaro Bill Prady Steve Holland Chuck Lorre Eric Kaplan Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Carol Ann Susi Debbie Wolowitz (voice)

Stephen Hawking Stephen Hawking

S05E22 The Stag Convergence

▾

Director

Peter Chakos

Writers

Jim Reynolds Eric Kaplan Bill Prady Steve Holland Chuck Lorre Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

John Ross Bowie Barry Kripke

Wil Wheaton Wil Wheaton

S05E23 The Launch Acceleration

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steven Molaro Steve Holland Jim Reynolds Maria Ferrari Bill Prady

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Casey Sander Mike Rostenkowski

Robert Clotworthy Dave Roeger (voice)

Karl T. Wright Jimmy

S05E24 The Countdown Reflection

▾

Director

Mark Cendrowski

Writers

Jim Reynolds Eric Kaplan Bill Prady Steve Holland Chuck Lorre Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Carol Ann Susi Debbie Wolowitz (voice)

Casey Sander Mike Rostenkowski

Michael J. Massimino Michael J. Massimino

Amy Tolsky Joan

Endre Hules Russian Mission Control (voice)

Pasha D. Lychnikoff Dimitri

Season 6

24 episodes ▾

S06E01 The Date Night Variable

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Jim Reynolds Eric Kaplan Steve Holland Steven Molaro Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Carol Ann Susi Debbie Wolowitz (voice)

Pasha D. Lychnikoff Dimitri

S06E02 The Decoupling Fluctuation

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steve Holland Maria Ferrari Eric Kaplan Jim Reynolds Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Michael J. Massimino Michael J. Massimino

Pasha D. Lychnikoff Dimitri

Stephane Nicoli Guy at the Movies (uncredited)

S06E03 The Higgs Boson Observation

▾

Director

Mark Cendrowski

Writers

Steven Molaro Jim Reynolds Steve Holland Chuck Lorre David Goetsch Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Margo Harshman Alex Jensen

Pasha D. Lychnikoff Dimitri

S06E04 The Re-Entry Minimization

▾

Director

Mark Cendrowski

Writers

Anthony Del Broccolo Bill Prady Chuck Lorre Eric Kaplan Jim Reynolds Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Carol Ann Susi Debbie Wolowitz (voice)

Michael J. Massimino Michael J. Massimino

Ken Lerner Dr. Schneider

Jan Hoag Lillian

John Mendoza Chauffeur

Pasha D. Lychnikoff Dimitri

Howie Mandel Howie Mandel

S06E05 The Holographic Excitation

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steve Holland Eric Kaplan Jeremy Howe Steven Molaro Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Buzz Aldrin Buzz Aldrin

Janelle Marra Claire

S06E06 The Extract Obliteration

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Jim Reynolds Bill Prady Steve Holland Eric Kaplan Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Stephen Hawking Stephen Hawking

S06E07 The Habitation Configuration

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steve Holland Eric Kaplan Jim Reynolds Steven Molaro Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

LeVar Burton LeVar Burton

Carol Ann Susi Debbie Wolowitz (voice)

Wil Wheaton Wil Wheaton

S06E08 The 43 Peculiarity

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Jim Reynolds Steve Holland Anthony Del Broccolo David Goetsch Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Margo Harshman Alex Jensen

Ryan Cartwright Cole

S06E09 The Parking Spot Escalation

▾

Director

Peter Chakos

Writers

Chuck Lorre Steve Holland Eric Kaplan Adam Faberman Steven Molaro Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

William Stanford Davis Dry Cleaner

S06E10 The Fish Guts Displacement

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Tara Hernandez Jim Reynolds Bill Prady Eric Kaplan Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Casey Sander Mike Rostenkowski

Meagen Fay Mrs. Rostenkowski

S06E11 The Santa Simulation

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Jim Reynolds Eric Kaplan Steve Holland Steven Molaro Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Dakin Matthews Santa Claus

S06E12 The Egg Salad Equivalency

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steve Holland Eric Kaplan Jim Reynolds Steven Molaro Bill Prady

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Margo Harshman Alex Jensen

Regina King Janine Davis

S06E13 The Bakersfield Expedition

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steve Holland Eric Kaplan Jim Reynolds Steven Molaro Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Matt Battaglia Officer Reynolds

Angela Sargeant Lana

Craig Gellis Car Thief #1

Frank Alvarez Car Thief #2

Rick Gifford Guy

Ian Scott Rudolph Captain Sweatpants (uncredited)

S06E14 The Cooper/Kripke Inversion

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Jim Reynolds Steve Holland Eric Kaplan Anthony Del Broccolo Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

John Ross Bowie Barry Kripke

S06E15 The Spoiler Alert Segmentation

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Eric Kaplan Steve Holland Steven Molaro Maria Ferrari Adam Faberman

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Carol Ann Susi Debbie Wolowitz (voice)

S06E16 The Tangible Affection Proof

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Jim Reynolds Tara Hernandez Bill Prady Steve Holland Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Kate Micucci Lucy

Margo Harshman Alex Jensen

Josh Brener Dale

Briana Cuoco Gretchen

Jesse Heiman Comic Book Store Customer (uncredited)

Ian Scott Rudolph Captain Sweatpants (uncredited)

S06E17 The Monster Isolation

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steve Holland Maria Ferrari David Goetsch Eric Kaplan Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Kate Micucci Lucy

Riccardo LeBron Tom

S06E18 The Contractual Obligation Implementation

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Jim Reynolds Eric Kaplan Steve Holland Steven Molaro Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kate Micucci Lucy

Piper Mackenzie Harris Girl #1

Diamond White Girl #2

Dawson Fletcher Justin

Brian Posehn Bert Kibbler

Seaonna Chanadet Eye Rolling Girl Student (uncredited)

Bryan Stamp Library Graduate Student (uncredited)

S06E19 The Closet Reconfiguration

▾

Director

Anthony Rich

Writers

Chuck Lorre Steve Holland Maria Ferrari Eric Kaplan Jim Reynolds Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

No data

S06E20 The Tenure Turbulence

▾

Director

Mark Cendrowski

Writers

Steven Molaro Jim Reynolds Steve Holland Maria Ferrari Eric Kaplan Chuck Lorre

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

John Ross Bowie Barry Kripke

Regina King Janine Davis

S06E21 The Closure Alternative

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Tara Hernandez Jim Reynolds Steve Holland Bill Prady Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kate Micucci Lucy

S06E22 The Proton Resurgence

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steve Holland Eric Kaplan Jim Reynolds Steven Molaro Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Troy Winbush Paramedic

Bob Newhart Arthur Jeffries

S06E23 The Love Spell Potential

▾

Director

Anthony Rich

Writers

Chuck Lorre Steve Holland Maria Ferrari Eric Kaplan Jim Reynolds Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kate Micucci Lucy

David Trice Waiter

S06E24 The Bon Voyage Reaction

▾

Director

Mark Cendrowski

Writers

Steven Molaro Tara Hernandez Jim Reynolds Steve Holland Chuck Lorre Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kate Micucci Lucy

Season 7

24 episodes ▾

S07E01 The Hofstadter Insufficiency

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steven Molaro Tara Hernandez Jim Reynolds Steve Holland Eric Kaplan

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Sophie Oda Grace

Alex Ball Waiter

Aaron Takahashi Scientist

Regina King Janine Davis

S07E02 The Deception Verification

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steve Holland Eric Kaplan Jim Reynolds Steven Molaro Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Barak Hardley Pizza Delivery Guy

S07E03 The Scavenger Vortex

▾

Director

Mark Cendrowski

Writers

Jim Reynolds Eric Kaplan Steve Holland David Goetsch Steven Molaro Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

S07E04 The Raiders Minimization

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Tara Hernandez Steve Holland Jim Reynolds Steven Molaro Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Christine Corpuz Woman

Christine Baranski Beverly Hofstadter

S07E05 The Workplace Proximity

▾

Director

Mark Cendrowski

Writers

Steven Molaro Jim Reynolds Maria Ferrari Steve Holland Chuck Lorre Eric Kaplan

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Todd Eric Andrews Dr. Gunderson

Ayumi Iizuka Scientist

S07E06 The Romance Resonance

▾

Director

Mark Cendrowski

Writers

Tara Hernandez Steve Holland Eric Kaplan Jim Reynolds Steven Molaro Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Tom Fonss Student

S07E07 The Proton Displacement

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Jim Reynolds Maria Ferrari Anthony Del Broccolo Eric Kaplan Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Bill Nye Bill Nye

Bob Newhart Arthur Jeffries

S07E08 The Itchy Brain Simulation

▾

Director

Mark Cendrowski

Writers

Steven Molaro Steve Holland Bill Prady Eric Kaplan Jim Reynolds Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kate Micucci Lucy

Morgan Hewitt Lizzy

Meli Alexander Cheesecake Factory Patron

S07E09 The Thanksgiving Decoupling

▾

Director

Mark Cendrowski

Writers

Jim Reynolds Maria Ferrari Eric Kaplan Steve Holland Steven Molaro Jeremy Howe

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Carol Ann Susi Debbie Wolowitz (voice)

Casey Sander Mike Rostenkowski

Brian Thomas Smith Zack Johnson

S07E10 The Discovery Dissipation

▾

Director

Mark Cendrowski

Writers

Steve Holland Maria Ferrari Eric Kaplan Jim Reynolds Steven Molaro Adam Faberman

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

John Ross Bowie Barry Kripke

Ira Flatow Ira Flatow

Wil Wheaton Wil Wheaton

S07E11 The Cooper Extraction

▾

Director

Mark Cendrowski

Writers

Steven Molaro Jim Reynolds Steve Holland Tara Hernandez Maria Ferrari Eric Kaplan

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Laurie Metcalf Mary Cooper

Carol Ann Susi Debbie Wolowitz (voice)

Brian Thomas Smith Zack Johnson

S07E12 The Hesitation Ramification

▾

Director

Mark Cendrowski

Writers

Tara Hernandez Steve Holland David Goetsch Jim Reynolds Steven Molaro Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Marcus Folmar Security Guard

S07E13 The Occupation Recalibration

▾

Director

Mark Cendrowski

Writers

Tara Hernandez Jim Reynolds Steve Holland Maria Ferrari Eric Kaplan Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Ed Lieberman Man V.O. (voice)

Ian Scott Rudolph Captain Sweatpants

Josh Peck Jesse

Brian Posehn Bert Kibbler

S07E14 The Convention Conundrum

▾

Director

Mark Cendrowski

Writers

Steve Holland Eric Kaplan Adam Faberman David Goetsch Jim Reynolds Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

James Earl Jones James Earl Jones

Carrie Fisher Carrie Fisher

S07E15 The Locomotive Manipulation

▾

Director

Mark Cendrowski

Writers

Tara Hernandez Steve Holland Eric Kaplan Jim Reynolds Steven Molaro Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Alex Ball Waiter

Eric Petersen Eric

Tania Raymonde Yvette

S07E16 The Table Polarization

▾

Director

Gay Linvill

Writers

Steven Molaro Tara Hernandez Jim Reynolds Steve Holland Maria Ferrari Chuck Lorre

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Carol Ann Susi Debbie Wolowitz (voice)

Christopher Neiman Dr. Dreyfus

Casey Sander Mike Rostenkowski

Michael J. Massimino Michael J. Massimino

S07E17 The Friendship Turbulence

▾

Director

Mark Cendrowski

Writers

Steven Molaro Tara Hernandez Jim Reynolds Steve Holland Eric Kaplan Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Laura Spencer Emily Sweeney

Gilda Stratton Flight Attendant (voice)

S07E18 The Mommy Observation

▾

Director

Mark Cendrowski

Writers

Maria Ferrari Steve Holland Eric Kaplan Jim Reynolds Steven Molaro Anthony Del Broccolo

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Laurie Metcalf Mary Cooper

S07E19 The Indecision Amalgamation

▾

Director

Anthony Rich

Writers

Steve Holland Eric Kaplan Bill Prady David Goetsch Jim Reynolds Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Laura Spencer Emily Sweeney

Fernando Rivera Salesperson

Rod Keller Wardrobe Person

Wil Wheaton Wil Wheaton

S07E20 The Relationship Diremption

▾

Director

Mark Cendrowski

Writers

Steven Molaro Steve Holland Bill Prady Chuck Lorre Eric Kaplan Jim Reynolds

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Laura Spencer Emily Sweeney

John Ross Bowie Barry Kripke

Phyllis Timbes Voicemail (voice)

Stephen Hawking Stephen Hawking

S07E21 The Anything Can Happen Recurrence

▾

Director

Mark Cendrowski

Writers

Steven Molaro Jim Reynolds Steve Holland Tara Hernandez Eric Kaplan Adam Faberman

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Laura Spencer Emily Sweeney

Carol Ann Susi Debbie Wolowitz (voice)

Kimberly Hébert Gregory Ms. Davora

S07E22 The Proton Transmogrification

▾

Director

Mark Cendrowski

Writers

Steve Holland Maria Ferrari Eric Kaplan Jim Reynolds Jeremy Howe Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Bob Newhart Arthur Jeffries

S07E23 The Gorilla Dissolution

▾

Director

Peter Chakos

Writers

Chuck Lorre Steve Holland Eric Kaplan Jim Reynolds Jeremy Howe Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Laura Spencer Emily Sweeney

Carol Ann Susi Debbie Wolowitz (voice)

Kaliko Kauahi Marta

Casper Smart Travis

Steve Valentine Kenneth

Wil Wheaton Wil Wheaton

S07E24 The Status Quo Combustion

▾

Director

Mark Cendrowski

Writers

Steve Holland Tara Hernandez Eric Kaplan Jim Reynolds Jeremy Howe Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Carol Ann Susi Debbie Wolowitz (voice)

Monica Garcia Pérez Maria

Christine Baranski Beverly Hofstadter

Season 8

24 episodes ▾

S08E01 The Locomotion Interruption

▾

Director

Mark Cendrowski

Writers

Tara Hernandez Steve Holland Maria Ferrari Eric Kaplan Jim Reynolds Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Stephen Root Dan

Carol Ann Susi Debbie Wolowitz (voice)

David Barrera Officer Hernandez

Anil Margsahayam Man

Tonja Kahlens Woman

Robert Noble Older Gentleman

S08E02 The Junior Professor Solution

▾

Director

Mark Cendrowski

Writers

Steven Molaro Jim Reynolds Tara Hernandez Eric Kaplan Steve Holland Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Regina King Janine Davis

S08E03 The First Pitch Insufficiency

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steve Holland Anthony Del Broccolo Jim Reynolds Steven Molaro Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Michael J. Massimino Michael J. Massimino

Malcolm Foster Smith Roy

Michael Araujo Stadium Announcer (voice)

S08E04 The Hook-Up Reverberation

▾

Director

Mark Cendrowski

Writers

Tara Hernandez Jim Reynolds Maria Ferrari Steve Holland Eric Kaplan Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Laura Spencer Emily Sweeney

S08E05 The Focus Attenuation

▾

Director

Mark Cendrowski

Writers

Steve Holland Maria Ferrari Adam Faberman Eric Kaplan Jim Reynolds Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

No data

S08E06 The Expedition Approximation

▾

Director

Mark Cendrowski

Writers

Steven Molaro Tara Hernandez Jim Reynolds Steve Holland David Goetsch Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

No data

S08E07 The Misinterpretation Agitation

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steve Holland Eric Kaplan Jim Reynolds Steven Molaro Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Billy Bob Thornton Oliver Lorvis

Annie O'Donnell Mrs. Lorvis (voice)

S08E08 The Prom Equivalency

▾

Director

Mark Cendrowski

Writers

Steve Holland Eric Kaplan Jim Reynolds Jeremy Howe Steven Molaro Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Laura Spencer Emily Sweeney

Kara Luiz Jeanie

Carol Ann Susi Debbie Wolowitz (voice)

S08E09 The Septum Deviation

▾

Director

Anthony Rich

Writers

Steven Molaro Steve Holland Tara Hernandez Maria Ferrari Bill Prady Eric Kaplan

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

No data

S08E10 The Champagne Reflection

▾

Director

Mark Cendrowski

Writers

Steven Molaro Tara Hernandez Jim Reynolds Steve Holland David Saltzberg David Goetsch

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

John Ross Bowie Barry Kripke

Stephen Root Dan

LeVar Burton LeVar Burton

Paul Willson Professor Sharpe

S08E11 The Clean Room Infiltration

▾

Director

Mark Cendrowski

Writers

Tara Hernandez Jim Reynolds Steve Holland Maria Ferrari Eric Kaplan Jeremy Howe

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Brian George V.M. Koothrappali

Dakin Matthews Santa Claus

Michael Reetz Photographer

S08E12 The Space Probe Disintegration

▾

Director

Mark Cendrowski

Writers

Steve Holland Eric Kaplan Bill Prady Jim Reynolds Steven Molaro Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Noel De Souza Older Indian Man

S08E13 The Anxiety Optimization

▾

Director

Mark Cendrowski

Writers

Jim Reynolds Steve Holland Tara Hernandez Maria Ferrari Eric Kaplan Adam Faberman

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Laura Spencer Emily Sweeney

Ed Lieberman Man

S08E14 The Troll Manifestation

▾

Director

Mark Cendrowski

Writers

Steven Molaro Tara Hernandez Jim Reynolds Steve Holland Eric Kaplan Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Jim Meskimen Doctor (voice)

Stephen Hawking Stephen Hawking

S08E15 The Comic Book Store Regeneration

▾

Director

Mark Cendrowski

Writers

Steve Holland Maria Ferrari Eric Kaplan Jim Reynolds Jeremy Howe Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

John Ross Bowie Barry Kripke

Nathan Fillion Nathan Fillion

Angela Relucio Hostess

S08E16 The Intimacy Acceleration

▾

Director

Mark Cendrowski

Writers

Tara Hernandez Jim Reynolds Steve Holland Eric Kaplan David Goetsch Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Laura Spencer Emily Sweeney

Stephanie Escajeda Cindy

Molly Morgan Hostess

Max Adler Zombie

Bruce Holman Airport Pedestrian

S08E17 The Colonization Application

▾

Director

Mark Cendrowski

Writers

Tara Hernandez David Goetsch Eric Kaplan Jim Reynolds Steven Molaro Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Laura Spencer Emily Sweeney

S08E18 The Leftover Thermalization

▾

Director

Mark Cendrowski

Writers

Steven Molaro Jim Reynolds Steve Holland Maria Ferrari Eric Kaplan Jeremy Howe

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

S08E19 The Skywalker Incursion

▾

Director

Mark Cendrowski

Writers

Tara Hernandez Steve Holland Jim Reynolds Jeremy Howe Steven Molaro Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Tate Ellington Mitchell

Michael Dempsey Security Guard

Mark Barrett Security Guard #2 (voice)

S08E20 The Fortification Implementation

▾

Director

Mark Cendrowski

Writers

Tara Hernandez Steve Holland Saladin K. Patterson Jim Reynolds Steven Molaro Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Matt Bennett Josh Wolowitz

Rena Strober Caller (voice)

Wil Wheaton Wil Wheaton

Kevin Smith Kevin Smith

S08E21 The Communication Deterioration

▾

Director

Mark Cendrowski

Writers

Jim Reynolds Steve Holland David Goetsch Eric Kaplan Jeremy Howe Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Sara Erikson Gwen

Kelli Goss Chelsea

Phoebe Neidhardt Casting Assistant

Jeff Jingle Alien (voice)

Mark Maitre Alien #2 (voice)

S08E22 The Graduation Transmission

▾

Director

Anthony Rich

Writers

Chuck Lorre Steve Holland Anthony Del Broccolo David Goetsch Eric Kaplan Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Alice Amter Mrs. Koothrappali

Brian George V.M. Koothrappali

Max Mittelman Tech Support (voice)

Katherine Von Till Tech Support Recording (voice)

S08E23 The Maternal Combustion

▾

Director

Anthony Rich

Writers

Steven Molaro Tara Hernandez Jim Reynolds Chuck Lorre Jeremy Howe Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Laurie Metcalf Mary Cooper

Christine Baranski Beverly Hofstadter

S08E24 The Commitment Determination

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steve Holland Maria Ferrari Eric Kaplan Jim Reynolds Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Laura Spencer Emily Sweeney

Season 9

24 episodes ▾

S09E01 The Matrimonial Momentum

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steve Holland Maria Ferrari Eric Kaplan Jim Reynolds Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Laurie Metcalf Mary Cooper

Jim Meskimen Minister

Louise Claps Receptionist

S09E02 The Separation Oscillation

▾

Director

Mark Cendrowski

Writers

Steven Molaro Tara Hernandez Jim Reynolds Steve Holland Chuck Lorre Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Melissa Tang Mandy Chao

S09E03 The Bachelor Party Corrosion

▾

Director

Mark Cendrowski

Writers

Steve Holland David Goetsch Eric Kaplan Jim Reynolds Jeremy Howe Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Keith Carradine Wyatt Teller

S09E04 The 2003 Approximation

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Tara Hernandez Eric Kaplan Steve Holland Steven Molaro Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Laura Spencer Emily Sweeney

Craig Welzbacher Candidate #1

Kurt Koehler Candidate #2

Arshad Aslam Candidate #3

S09E05 The Perspiration Implementation

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Jim Reynolds Maria Ferrari Eric Kaplan Steven Molaro Saladin K. Patterson

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

John Ross Bowie Barry Kripke

Megan Heyn Natalie

Patrika Darbo Grace

Rebecca Ann Johnson Attractive Red Head

S09E06 The Helium Insufficiency

▾

Director

Mark Cendrowski

Writers

Jim Reynolds Maria Ferrari Anthony Del Broccolo Steve Holland Eric Kaplan Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

John Ross Bowie Barry Kripke

Michael Rapaport Kenny Fitzgerald

Elena Campbell-Martinez Maria

S09E07 The Spock Resonance

▾

Director

Nikki Lorre

Writers

Chuck Lorre Tara Hernandez Steve Holland Jim Reynolds Steven Molaro Jeremy Howe

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Adam Nimoy Adam Nimoy

Casey Sander Mike Rostenkowski

Stephen Merchant Dave Gibbs

Wil Wheaton Wil Wheaton

S09E08 The Mystery Date Observation

▾

Director

Mark Cendrowski

Writers

Steven Molaro Steve Holland Tara Hernandez Eric Kaplan Chuck Lorre Jim Reynolds

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Stephen Merchant Dave Gibbs

Lio Tipton Vanessa Bennett

S09E09 The Platonic Permutation

▾

Director

Mark Cendrowski

Writers

Tara Hernandez Steve Holland Jim Reynolds Jeremy Howe Maria Ferrari Adam Faberman

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Laura Spencer Emily Sweeney

Elon Musk Elon Musk

Wayne Wilderson Travis

S09E10 The Earworm Reverberation

▾

Director

Mark Cendrowski

Writers

Steve Holland Eric Kaplan Saladin K. Patterson Jim Reynolds Steven Molaro Jeremy Howe

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Yoshi Barrigas Trent Monaco

Stephen Merchant Dave Gibbs

S09E11 The Opening Night Excitation

▾

Director

Mark Cendrowski

Writers

Steven Molaro Tara Hernandez Jim Reynolds Steve Holland Eric Kaplan Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Jeff Witzke Moviegoer (voice)

Wil Wheaton Wil Wheaton

Bob Newhart Arthur Jeffries

S09E12 The Sales Call Sublimation

▾

Director

Mark Cendrowski

Writers

Steve Holland Saladin K. Patterson Jim Reynolds Steven Molaro Maria Ferrari Anthony Del Broccolo

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Jane Kaczmarek Dr. Gallow

S09E13 The Empathy Optimization

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steve Holland Eric Kaplan David Goetsch Steven Molaro Saladin K. Patterson

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Laura Spencer Emily Sweeney

S09E14 The Meemaw Materialization

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steve Holland Tara Hernandez Maria Ferrari Jim Reynolds Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

June Squibb Connie Tucker

Alessandra Torresani Claire

Declan Churchill Carter Five Year Old

S09E15 The Valentino Submergence

▾

Director

Mark Cendrowski

Writers

Steven Molaro Tara Hernandez Steve Holland Eric Kaplan Jim Reynolds Jeremy Howe

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Laura Spencer Emily Sweeney

John Ross Bowie Barry Kripke

Alessandra Torresani Claire

Creagen Dow Glenn the Maitre D'

Shane Blades Customer

S09E16 The Positive Negative Reaction

▾

Director

Mark Cendrowski

Writers

Steve Holland Eric Kaplan Saladin K. Patterson Jim Reynolds Steven Molaro Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

No data

S09E17 The Celebration Experimentation

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steve Holland Tara Hernandez Eric Kaplan Jeremy Howe Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Sara Gilbert Leslie Winkle

John Ross Bowie Barry Kripke

Adam West Adam West

Wil Wheaton Wil Wheaton

Stephen Hawking Stephen Hawking

Christine Baranski Beverly Hofstadter

S09E18 The Application Deterioration

▾

Director

Mark Cendrowski

Writers

Steven Molaro Jim Reynolds Steve Holland Eric Kaplan Adam Faberman Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Laura Spencer Emily Sweeney

Alessandra Torresani Claire

Jim Holmes Tim

S09E19 The Solder Excursion Diversion

▾

Director

Mark Cendrowski

Writers

Steve Holland Maria Ferrari Eric Kaplan Bill Prady Steven Molaro Saladin K. Patterson

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

H. Michael Croner Andre

S09E20 The Big Bear Precipitation

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Tara Hernandez Jim Reynolds Steve Holland David Goetsch Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

No data

S09E21 The Viewing Party Combustion

▾

Director

Mark Cendrowski

Writers

Steve Holland Tara Hernandez Maria Ferrari Eric Kaplan Jeremy Howe Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

S09E22 The Fermentation Bifurcation

▾

Director

Nikki Lorre

Writers

Steven Molaro Steve Holland Tara Hernandez Anthony Del Broccolo Chuck Lorre Jim Reynolds

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Alessandra Torresani Claire

Brian Thomas Smith Zack Johnson

S09E23 The Line Substitution Solution

▾

Director

Anthony Rich

Writers

Tara Hernandez Steve Holland Saladin K. Patterson Eric Kaplan Steven Molaro Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Blake Anderson Trevor

Amanda Payton Ainsley

Christine Baranski Beverly Hofstadter

S09E24 The Convergence Convergence

▾

Director

Mark Cendrowski

Writers

Steven Molaro Tara Hernandez Steve Holland Adam Faberman Chuck Lorre Jeremy Howe

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Laurie Metcalf Mary Cooper

Judd Hirsch Alfred Hofstadter

Marcus Folmar Police Officer

Christine Baranski Beverly Hofstadter

Season 10

24 episodes ▾

S10E01 The Conjugal Conjecture

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Tara Hernandez Jim Reynolds Steve Holland Eric Kaplan Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Laurie Metcalf Mary Cooper

Judd Hirsch Alfred Hofstadter

Katey Sagal Susan Teller

Jack McBrayer Randall Teller

Dean Norris Richard Williams

Keith Carradine Wyatt Teller

Christine Baranski Beverly Hofstadter

S10E02 The Military Miniaturization

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steve Holland Eric Kaplan Jim Reynolds Steven Molaro Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Josh Zuckerman Marty

Dean Norris Richard Williams

Kimberly Brooks Computer (voice)

S10E03 The Dependence Transcendence

▾

Director

Mark Cendrowski

Writers

Steven Molaro Tara Hernandez Steve Holland Saladin K. Patterson Maria Ferrari Jeremy Howe

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Brian George V.M. Koothrappali

Brandon W. Jones The Flash

Dean Norris Richard Williams

Brian Posehn Bert Kibbler

S10E04 The Cohabitation Experimentation

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steve Holland Tara Hernandez Maria Ferrari David Goetsch Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

No data

S10E05 The Hot Tub Contamination

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Tara Hernandez Jim Reynolds Steve Holland Maria Ferrari Eric Kaplan

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

S10E06 The Fetal Kick Catalyst

▾

Director

Mark Cendrowski

Writers

Tara Hernandez Steve Holland Jeremy Howe Steven Molaro Saladin K. Patterson Anthony Del Broccolo

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Bryan Safi Daniel

Tucker Albrizzi Christopher

Jareb Dauplaise Jeff

Josh Banday Nolan

Michelle Arthur Mrs. Petrescu

Brian Posehn Bert Kibbler

S10E07 The Veracity Elasticity

▾

Director

Mark Cendrowski

Writers

Steven Molaro Jim Reynolds Steve Holland Maria Ferrari Eric Kaplan Adam Faberman

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

No data

S10E08 The Brain Bowl Incubation

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Tara Hernandez Steve Holland Saladin K. Patterson Steven Molaro Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Maria Canals-Barrera Issabella

S10E09 The Geology Elevation

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Jim Reynolds Steve Holland Maria Ferrari Eric Kaplan Jeremy Howe

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

John Ross Bowie Barry Kripke

Ellen DeGeneres Ellen DeGeneres

Brian Posehn Bert Kibbler

Stephen Hawking Stephen Hawking

S10E10 The Property Division Collision

▾

Director

Mark Cendrowski

Writers

Tara Hernandez Bill Prady Steve Holland David Goetsch Steven Molaro Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Christopher Lloyd Theodore

S10E11 The Birthday Synchronicity

▾

Director

Nikki Lorre

Writers

Chuck Lorre Tara Hernandez Maria Ferrari Steve Holland Eric Kaplan Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Vernee Watson Althea

Pamela Adlon Halley Wolowitz (voice)

S10E12 The Holiday Summation

▾

Director

Mark Cendrowski

Writers

Steven Molaro Tara Hernandez Steve Holland Eric Kaplan Maria Ferrari Jeremy Howe

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Laurie Metcalf Mary Cooper

Pamela Adlon Halley Wolowitz (voice)

S10E13 The Romance Recalibration

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steve Holland Anthony Del Broccolo David Goetsch Steven Molaro Saladin K. Patterson

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

No data

S10E14 The Emotion Detection Automation

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steven Molaro Jim Reynolds Steve Holland Eric Kaplan Saladin K. Patterson

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Laura Spencer Emily Sweeney

Kate Micucci Lucy

Alessandra Torresani Claire

Katie Leclerc Emily

S10E15 The Locomotion Reverberation

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Tara Hernandez Steve Holland Jim Reynolds Steven Molaro Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Dean Norris Richard Williams

Pamela Adlon Halley Wolowitz (voice)

S10E16 The Allowance Evaporation

▾

Director

Mark Cendrowski

Writers

Jim Reynolds Steve Holland Maria Ferrari Eric Kaplan Jeremy Howe Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Brian George V.M. Koothrappali

Brian Posehn Bert Kibbler

S10E17 The Comic-Con Conundrum

▾

Director

Mark Cendrowski

Writers

Tara Hernandez Steve Holland Eric Kaplan Saladin K. Patterson Steven Molaro Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Pamela Adlon Halley Wolowitz (voice)

S10E18 The Escape Hatch Identification

▾

Director

Mark Cendrowski

Writers

Steven Molaro Jim Reynolds Steve Holland Tara Hernandez Eric Kaplan Anthony Del Broccolo

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Christine Baranski Beverly Hofstadter

S10E19 The Collaboration Fluctuation

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Tara Hernandez Steve Holland David Goetsch Steven Molaro Giuseppe Graziano

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Tiffany Daniels Clerk

Pamela Adlon Halley Wolowitz (voice)

Doug Morency Stranger

S10E20 The Recollection Dissipation

▾

Director

Mark Cendrowski

Writers

Tara Hernandez Steve Holland Eric Kaplan Jeremy Howe Steven Molaro Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Joel Murray Doug

S10E21 The Separation Agitation

▾

Director

Mark Cendrowski

Writers

Steven Molaro Steve Holland Tara Hernandez Maria Ferrari Jim Reynolds Jeremy Howe

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

April Bowlby Rebecca

Brian Posehn Bert Kibbler

S10E22 The Cognition Regeneration

▾

Director

Mark Cendrowski

Writers

Tara Hernandez Jim Reynolds Steve Holland David Goetsch Eric Kaplan Jeremy Howe

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Brian Thomas Smith Zack Johnson

S10E23 The Gyroscopic Collapse

▾

Director

Anthony Rich

Writers

Chuck Lorre Jim Reynolds Steve Holland Steven Molaro Saladin K. Patterson Alex Ayers

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Dean Norris Richard Williams

Kimberly Brooks Computer (voice)

S10E24 The Long Distance Dissonance

▾

Director

Mark Cendrowski

Writers

Steven Molaro Steve Holland Tara Hernandez Eric Kaplan Chuck Lorre Jim Reynolds

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Riki Lindhome Ramona Nowitzki

Season 11

24 episodes ▾

S11E01 The Proposal Proposal

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steve Holland Tara Hernandez Eric Kaplan Jeremy Howe Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Laurie Metcalf Mary Cooper

Susan Chuang Dr. Harris

Riki Lindhome Ramona Nowitzki

George Wyner Dr. Zane

Stephen Hawking Stephen Hawking

S11E02 The Retraction Reaction

▾

Director

Mark Cendrowski

Writers

Steven Molaro Maria Ferrari Steve Holland David Goetsch Eric Kaplan Anthony Del Broccolo

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Ira Flatow Ira Flatow

Regina King Janine Davis

S11E03 The Relaxation Integration

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Tara Hernandez Adam Faberman Steve Holland Maria Ferrari Andy Gordon

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Swati Kapila Ruchi

S11E04 The Explosion Implosion

▾

Director

Mark Cendrowski

Writers

Tara Hernandez Maria Ferrari Bill Prady Eric Kaplan Steven Molaro Jeremy Howe

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Dana L. Wilson Dr. Sanders

Michael Patrick McGill Police Officer

Christine Baranski Beverly Hofstadter

S11E05 The Collaboration Contamination

▾

Director

Nikki Lorre

Writers

Steven Molaro Eric Kaplan Steve Holland David Goetsch Maria Ferrari Jeremy Howe

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Efrain Gomez Employee

S11E06 The Proton Regeneration

▾

Director

Mark Cendrowski

Writers

Steven Molaro Steve Holland David Goetsch Jeremy Howe Andy Gordon Alex Yonks

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Wil Wheaton Wil Wheaton

Pamela Adlon Halley Wolowitz (voice)

Bob Newhart Arthur Jeffries

Cat Hammons Nurse

Joey Rich Man

S11E07 The Geology Methodology

▾

Director

Mark Cendrowski

Writers

Tara Hernandez Adam Faberman Anthony Del Broccolo Steve Holland Eric Kaplan Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Swati Kapila Ruchi

Elka Rodriguez Rose Lady

Brian Posehn Bert Kibbler

S11E08 The Tesla Recoil

▾

Director

Anthony Rich

Writers

Chuck Lorre Tara Hernandez Steve Holland Eric Kaplan Maria Ferrari Jeremy Howe

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

John Ross Bowie Barry Kripke

Dean Norris Richard Williams

Swati Kapila Ruchi

S11E09 The Bitcoin Entanglement

▾

Director

Mark Cendrowski

Writers

Steve Holland David Goetsch Jeremy Howe Maria Ferrari Anthony Del Broccolo Andy Gordon

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Carol Ann Susi Debbie Wolowitz (voice)

Eric Normington Man

Brian Thomas Smith Zack Johnson

S11E10 The Confidence Erosion

▾

Director

Mark Cendrowski

Writers

Steve Holland Tara Hernandez Maria Ferrari Adam Faberman Bill Prady Eric Kaplan

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Brian George V.M. Koothrappali

Marissa Cuevas Danielle

Brooke Baumer Denise

Nicole J. Butler Clerk

S11E11 The Celebration Reverberation

▾

Director

Mark Cendrowski

Writers

Eric Kaplan Steve Holland David Goetsch Maria Ferrari Jeremy Howe Alex Ayers

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

S11E12 The Matrimonial Metric

▾

Director

Mark Cendrowski

Writers

Tara Hernandez Steve Holland Maria Ferrari Eric Kaplan Jeremy Howe Andy Gordon

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

S11E13 The Solo Oscillation

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Anthony Del Broccolo Steve Holland Eric Kaplan Maria Ferrari Jeremy Howe

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Laurie Metcalf Mary Cooper

Pamela Adlon Halley Wolowitz (voice)

Jeffrey Cade Ross Brown Toby

Brian Posehn Bert Kibbler

S11E14 The Separation Triangulation

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steve Holland Tara Hernandez Maria Ferrari Eric Kaplan Steven Molaro

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Beth Behrs Nell

Walton Goggins Oliver

S11E15 The Novelization Correlation

▾

Director

Mark Cendrowski

Writers

Adam Faberman Steve Holland Eric Kaplan Maria Ferrari Jeremy Howe Andy Gordon

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Wil Wheaton Wil Wheaton

Christine Baranski Beverly Hofstadter

S11E16 The Neonatal Nomenclature

▾

Director

Gay Linvill

Writers

Steve Holland Tara Hernandez Maria Ferrari Eric Kaplan Anthony Del Broccolo Adam Faberman

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

No data

S11E17 The Athenaeum Allocation

▾

Director

Mark Cendrowski

Writers

Steven Molaro Tara Hernandez Steve Holland David Goetsch Eric Kaplan Maria Ferrari

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

John Ross Bowie Barry Kripke

Caleb Pierce Jess

Rachna Khatau Kathleen

S11E18 The Gates Excitation

▾

Director

Mark Cendrowski

Writers

Steve Holland Tara Hernandez Maria Ferrari Eric Kaplan Jeremy Howe Andy Gordon

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Bill Gates Bill Gates

Laura Cerón Marta

Eileen Galindo Letty

S11E19 The Tenant Disassociation

▾

Director

Mark Cendrowski

Writers

Steve Holland David Goetsch Eric Kaplan Jeremy Howe Maria Ferrari Trevor Alper

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Michelle Arthur Mrs. Petrescu

Parvesh Cheena Marcus

Bob Stephenson Wendell

Megan McGown Cynthia

S11E20 The Reclusive Potential

▾

Director

Mark Cendrowski

Writers

Tara Hernandez Steve Holland Maria Ferrari Anthony Del Broccolo Eric Kaplan Adam Faberman

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Peter MacNicol Robert Wolcott

James Maslow Bartender

Edward James Gage Nicholas

Ed Lieberman Lecturer (voice)

S11E21 The Comet Polarization

▾

Director

Mark Cendrowski

Writers

Tara Hernandez Eric Kaplan Bill Prady Steve Holland Maria Ferrari Andy Gordon

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Neil Gaiman Neil Gaiman

Patrick Daniel Grant

Lauren Lapkus Denise

S11E22 The Monetary Insufficiency

▾

Director

Nikki Lorre

Writers

Tara Hernandez Steve Holland Maria Ferrari David Goetsch Eric Kaplan Jeremy Howe

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Joshua Malina President Siebert

Mark Berry Pit Boss

Evan Charest Croupier

D'Kia Anderson Hostess

Seth Coltan Earl

S11E23 The Sibling Realignment

▾

Director

Mark Cendrowski

Writers

Eric Kaplan Anthony Del Broccolo Steve Holland David Goetsch Maria Ferrari Jeremy Howe

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Jerry O'Connell Georgie Cooper

Ellie Reed Jenna

Lynn Andrews Margaret

S11E24 The Bow Tie Asymmetry

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Steven Molaro Steve Holland Tara Hernandez Maria Ferrari Eric Kaplan

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Laurie Metcalf Mary Cooper

John Ross Bowie Barry Kripke

Mark Hamill Mark Hamill

Courtney Henggeler Missy Cooper

Jerry O'Connell Georgie Cooper

Kathy Bates Mrs. Fowler

Teller Larry Fowler

Wil Wheaton Wil Wheaton

Lauren Lapkus Denise

Brian Posehn Bert Kibbler

Season 12

24 episodes ▾

S12E01 The Conjugal Configuration

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Tara Hernandez Steve Holland Eric Kaplan Maria Ferrari Jeremy Howe

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Bill Nye Bill Nye

Neil deGrasse Tyson Neil deGrasse Tyson

Giovanni Bejarano Bellman

Ciara Renée Sunny Morrow

Andy Taylor Kim Tour Guide

Kathy Bates Mrs. Fowler

Teller Larry Fowler

Jeanelle Marie Cruz Bike Messenger (uncredited)

S12E02 The Wedding Gift Wormhole

▾

Director

Mark Cendrowski

Writers

Steven Molaro Maria Ferrari Steve Holland David Goetsch Eric Kaplan Andy Gordon

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Brian George V.M. Koothrappali

Luis Aldana Greg

Kikey Castillo Leslie

Lauren Lapkus Denise

Brian Posehn Bert Kibbler

S12E03 The Procreation Calculation

▾

Director

Mark Cendrowski

Writers

Chuck Lorre Tara Hernandez Steve Holland Adam Faberman Maria Ferrari Anthony Del Broccolo

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Matt Knudsen Waiter

Keith Carradine Wyatt Teller

Lauren Lapkus Denise

Rati Gupta Anu

S12E04 The Tam Turbulence

▾

Director

Mark Cendrowski

Writers

Steven Molaro Maria Ferrari Steve Holland David Goetsch Eric Kaplan Jeremy Howe

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Robert Wu Tam Nguyen

Jerry O'Connell Georgie Cooper

Rati Gupta Anu

S12E05 The Planetarium Collision

▾

Director

Mark Cendrowski

Writers

Steve Holland Tara Hernandez Eric Kaplan Maria Ferrari Alex Ayers Andy Gordon

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Eddie Shin Dr. Park

Alison Martin Andrea

Hermie Castillo Colin

Joshua Malina President Siebert

Bob Newhart Arthur Jeffries

S12E06 The Imitation Perturbation

▾

Director

Mark Cendrowski

Writers

—

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Pamela Adlon Halley Wolowitz (voice)

David Theune Dr. Graybel

Rati Gupta Anu

Brian Posehn Bert Kibbler

S12E07 The Grant Allocation Derivation

▾

Director

Mark Cendrowski

Writers

—

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

John Ross Bowie Barry Kripke

Maribeth Monroe Dr. Lee

Joshua Malina President Siebert

S12E08 The Consummation Deviation

▾

Director

Mark Cendrowski

Writers

—

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Kathy Bates Mrs. Fowler

Teller Larry Fowler

Rati Gupta Anu

S12E09 The Citation Negation

▾

Director

Kristy Cecil

Writers

—

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Lauren Lapkus Denise

S12E10 The VCR Illumination

▾

Director

Mark Cendrowski

Writers

Steven Molaro Bill Prady Steve Holland Maria Ferrari Jeremy Howe Andy Gordon

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Iain Armitage Sheldon Cooper

Lance Barber George Cooper

Montana Jordan Georgie Cooper

Kurt Scholler Judge

Christine Baranski Beverly Hofstadter

S12E11 The Paintball Scattering

▾

Director

Mark Cendrowski

Writers

—

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Hira Ambrosino Cynthia

Hugh Kennedy Chad

Lauren Lapkus Denise

Joshua Malina President Siebert

Rati Gupta Anu

S12E12 The Propagation Proposition

▾

Director

Mark Cendrowski

Writers

—

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Brian George V.M. Koothrappali

Brian Thomas Smith Zack Johnson

Rati Gupta Anu

Shay Ali Greg

Chip Chinery Bob

Lindsey Kraft Marissa Johnson

S12E13 The Confirmation Polarization

▾

Director

Mark Cendrowski

Writers

—

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Keili Lefkovitz Brenda

Chasty Ballesteros Karen

Kal Penn Kevin Campbell

Sean Astin Greg Pemberton

Joshua Malina President Siebert

Caleb Pierce Jess

S12E14 The Meteorite Manifestation

▾

Director

Mark Cendrowski

Writers

—

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Andy Daly Nathan

Joel McCrary Andy (voice)

Lauren Lapkus Denise

Minerva García Linda (voice)

Hilda Boulware Woman

Brian Posehn Bert Kibbler

S12E15 The Donation Oscillation

▾

Director

Mark Cendrowski

Writers

—

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Keith Carradine Wyatt Teller

Eric Nenninger Neil

Brian Thomas Smith Zack Johnson

Rati Gupta Anu

Lindsey Kraft Marissa Johnson

S12E16 The D & D Vortex

▾

Director

Mark Cendrowski

Writers

Tara Hernandez Maria Ferrari Anthony Del Broccolo Steve Holland Eric Kaplan Andy Gordon

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Wil Wheaton Wil Wheaton

Joe Manganiello Joe Manganiello

Kareem Abdul-Jabbar Kareem Abdul-Jabbar

William Shatner William Shatner

Kevin Smith Kevin Smith

S12E17 The Conference Valuation

▾

Director

Mark Cendrowski

Writers

—

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Jason Kravits Danny

Chasty Ballesteros Karen

Ben Rauch Darren

Pamela Adlon Halley Wolowitz (voice)

Andre Boyer Kwame

Christine Baranski Beverly Hofstadter

S12E18 The Laureate Accumulation

▾

Director

Mark Cendrowski

Writers

—

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Pamela Adlon Halley Wolowitz (voice)

Kal Penn Kevin Campbell

Sean Astin Greg Pemberton

Joshua Malina President Siebert

Ellen DeGeneres Ellen DeGeneres

George F. Smoot George F. Smoot

Frances H. Arnold Frances H. Arnold

Kip Thorne Kip Thorne

S12E19 The Inspiration Deprivation

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Director

Mark Cendrowski

Writers

—

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Brooke Dillman Bebe

Regina King Janine Davis

Doreen Calderon Woman #1

Sarah Eagen Woman #2

Claudia Choi Woman #3

Tiffany Commons Woman #4

Krishna Smitha Woman #5

Joshua Malina President Siebert

Susan Leslie Woman #6

Cassidey Fralin Woman #7

Riley Go Woman #8

Cleo Fraser Little Girl

Brian Posehn Bert Kibbler

S12E20 The Decision Reverberation

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Director

Mark Cendrowski

Writers

—

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

David Theune Dr. Graybel

Angela Lin Maritza

Elijah Isaiah Cook Terry

Joshua Malina President Siebert

Rati Gupta Anu

S12E21 The Plagiarism Schism

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Director

Nikki Lorre

Writers

—

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

John Ross Bowie Barry Kripke

Kal Penn Kevin Campbell

Sean Astin Greg Pemberton

Joshua Malina President Siebert

S12E22 The Maternal Conclusion

▾

Director

Kristy Cecil

Writers

—

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

Todd Giebenhain Mitch

Lauren Lapkus Denise

Rati Gupta Anu

Christine Baranski Beverly Hofstadter

S12E23 The Change Constant / The Stockholm Syndrome

▾

Director

Mark Cendrowski

Writers

—

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

Kevin Sussman Stuart Bloom

John Ross Bowie Barry Kripke

Blair Hickey Reporter #2

Dinora Walcott Reporter #1

Rodney J. Hobbs Reporter #3

Sarah Michelle Gellar Sarah Michelle Gellar

Joshua Malina President Siebert

Brian Posehn Bert Kibbler

Thomas Albany Carl XVI Gustaf of Sweden

Sailah Nicol Halley Wolowitz

Nate Ash Michael Wolowitz

Ulf Bjorlin Announcer

Major Mike Daniel Westling

S12E24 Unraveling the Mystery: A Big Bang Farewell

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Director

Unknown

Writers

—

Main Cast

Johnny Galecki Leonard Hofstadter

Jim Parsons Sheldon Cooper

Kaley Cuoco Penny

Simon Helberg Howard Wolowitz

Kunal Nayyar Rajesh Koothrappali

Melissa Rauch Bernadette Rostenkowski

Mayim Bialik Amy Farrah Fowler

Guest Stars

No data