The Big Bang Theory

2007 - 2019

Pilot

24th September 2007

Episode 1

Brilliant physicist roommates Leonard and Sheldon meet their new neighbor Penny, who begins showing them that as much as they know about science, they know little about actual living.

The Big Bran Hypothesis

1st October 2007

Episode 2

Leonard volunteers to sign for a package in an attempt to make a good impression on Penny, but when he enlists Sheldon for help, his attempt at chivalry goes terribly awry.

The Fuzzy Boots Corollary

8th October 2007

Episode 3

Leonard asks a woman out after he finds out that Penny is seeing someone.

The Luminous Fish Effect

15th October 2007

Episode 4

Sheldon's getting fired forces him to explore what life has to offer outside physics, leaving Leonard to take drastic action to snap his friend out of his funk.

The Hamburger Postulate

22nd October 2007

Episode 5

Fearing he's wasting his time on Penny, Leonard ends up making a connection with Leslie.

The Middle-Earth Paradigm

29th October 2007

Episode 6

Penny hosts a Halloween party, putting Leonard, Sheldon, Wolowitz, and Koothrappali through a new test of their social skills.

The Dumpling Paradox

5th November 2007

Episode 7

With Wolowitz AWOL with one of her friends, Penny's recruited to fill in for him on the guys' Halo team

The Grasshopper Experiment

12th November 2007

Episode 8

Raj's parents set him up on a blind date, but just when he discovers he can talk to her, she shows interest in Sheldon.

The Cooper-Hofstadter Polarization

17th March 2008

Episode 9

When they're invited to present at a physics conference, Sheldon's reluctance to share the credit leads to a tiff between him and Leonard, and Penny's intervention only exacerbates the situation.

The Loobenfeld Decay

24th March 2008

Episode 10

Leonard and Sheldon each lie to avoid seeing Penny's concert, but Sheldon's is a bit too complicated for his own good.

The Pancake Batter Anomaly

31st March 2008

Episode 11

With his friends knowing how sour he acts when sick—and avoiding him as a result—Sheldon is nursed by Penny, who hasn't a clue what she's in for.

The Jerusalem Duality

14th April 2008

Episode 12

With Sheldon rattled over meeting Dennis, a 15-year-old physicist who's smarter than he, Leonard helps him look for a way to debunk Dennis's research.

The Bat Jar Conjecture

21st April 2008

Episode 13

Sheldon finds himself booted from the gang's Physics Bowl team and replaced with Leslie, so he forms his own team, hoping to prove he's superior.

The Nerdvana Annihilation

28th April 2008

Episode 14

When delivery of another collectible leads to Penny's lashing out at Leonard, he decides it's time to give up his habit, much to his friends' protestation.

The Pork Chop Indeterminacy

Episode 15

The rest of the gang fall for Sheldon's twin sister, and Leonard's plan to win her heart is derailed when Sheldon declares he'll be the one to decide who can date her.

The Peanut Reaction

Episode 16

Penny wants to throw a surprise party for Leonard, but Sheldon's indulgence at an electronics store throws her off-track.

The Tangerine Factor

Episode 17

Penny's break-up spurs Leonard to summon the courage to ask her out, and each goes to Sheldon for advice on their upcoming date.

Top Cast

Johnny Galecki•Jim Parsons•Kaley Cuoco

Physicists Leonard and Sheldon find their nerd-centric social circle with pals Howard and Raj expanding when aspiring actress Penny moves in next door.

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Full Cast

Johnny Galecki Image

Johnny Galecki

Leonard Hofstadter

Jim Parsons Image

Jim Parsons

Sheldon Cooper

Kaley Cuoco Image

Kaley Cuoco

Penny

Simon Helberg Image

Simon Helberg

Howard Wolowitz

Kunal Nayyar Image

Kunal Nayyar

Rajesh Koothrappali

Melissa Rauch Image

Melissa Rauch

Bernadette Rostenkowski

Mayim Bialik Image

Mayim Bialik

Amy Farrah Fowler

Full Crew

John DeChene

Camera Operator

Adam Faberman

Executive Story Editor

Rick Puccio

Construction Coordinator

Richard Price

Camera Operator

Jamie Hitchcock

Camera Operator

Brian W. Armstrong

Camera Operator

Shannon Timberlake Image

Shannon Timberlake

Production Coordinator

Tara Hernandez Image

Tara Hernandez

Co-Executive Producer

Anthony Del Broccolo

Co-Executive Producer

Jeremy Howe Image

Jeremy Howe

Co-Executive Producer

Andy Gordon

Co-Executive Producer

Alexandra Barbone

Post Production Supervisor

Tara Treacy

Casting

Linda Cowan

Key Makeup Artist

Ryan Berdan

Co-Producer

Robinson Green

Producer

Justin D. Hetzel

Co-Producer

Peter Chakos Image

Peter Chakos

Co-Executive Producer

Sylvia Surdu

Key Hair Stylist

Charlie Back

Associate Producer

Faye Woods

Hair Department Head

Eric Kaplan Image

Eric Kaplan

Executive Producer

Steve Holland Image

Steve Holland

Executive Producer

David Goetsch Image

David Goetsch

Executive Producer

Maria Ferrari Image

Maria Ferrari

Executive Producer

Todd Morris

Assistant Editor

Vikki McCarter

Makeup Department Head

Robinson Green

Unit Production Manager

Kristy Cecil

Producer

John Greene

Gaffer

Steven Molaro Image

Steven Molaro

Executive Producer

Francoise Cherry-Cohen

Art Direction

Bill Prady Image

Bill Prady

Executive Producer

Chuck Lorre Image

Chuck Lorre

Executive Producer

Peter Chakos Image

Peter Chakos

Editor

Ken Miller

Casting

Mary T. Quigley

Co-Producer

Nikki Valko

Casting

John Shaffner

Production Design

Bob La Masney

Sound Re-Recording Mixer

David Saltzberg Image

David Saltzberg

Scientific Consultant

Scott L. London

Property Master

Ann Shea

Set Decoration

Charlie McDaniel

Sound Re-Recording Mixer

Julie Fleischer

Script Supervisor

Mary T. Quigley

Costume Design

Bruce Peters

Production Sound Mixer

Steven V. Silver

Director of Photography

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