Seasons & episodes
S0 · E1Unaired Pilot Air date unannounced · 22 min
When Leonard and Sheldon encounter a young woman crying on the curb, Leonard invites her to dinner. She is abrasive, sexy, hard, and sarcastic, but she softens a little when she discovers that the guys aren't trying to get something from her.
S0 · E2Access All Areas 2012-04-05 · 22 min
Celebrating the 100th episode of US sitcom The Big Bang Theory, Rick Edwards travels to the Hollywood set for an access-all-areas visit, catching up with the cast and learning everything there is to know about the show. This behind-the-scenes special takes fans through everything from the writing of the script to the recording of the show in front of a live audience.
S0 · E3It All Started With A Big Bang 2012-04-05 · 22 min
Celebrating the 100th episode of The Big Bang Theory, Rick Edwards looks back at some of the US sitcom's most hilarious and memorable scenes and talks with the cast and crew on the set in Hollywood. The actors share their favourite moments and reveal a few secrets about the making of the show.
S1 · E1Pilot 8.1 / 10 · 3 published ratings 2007-09-24 · 23 min
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.
S1 · E2The Big Bran Hypothesis 8.4 / 10 · 2 published ratings 2007-10-01 · 21 min
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.
S1 · E3The Fuzzy Boots Corollary 7.5 / 10 · 3 published ratings 2007-10-08 · 22 min
Leonard asks a woman out after he finds out that Penny is seeing someone.
S1 · E4The Luminous Fish Effect 8.1 / 10 · 3 published ratings 2007-10-15 · 21 min
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.
S1 · E5The Hamburger Postulate 7.9 / 10 · 2 published ratings 2007-10-22 · 20 min
Fearing he's wasting his time on Penny, Leonard ends up making a connection with Leslie.
S1 · E6The Middle-Earth Paradigm 9.0 / 10 · 2 published ratings 2007-10-29 · 21 min
Penny hosts a Halloween party, putting Leonard, Sheldon, Wolowitz, and Koothrappali through a new test of their social skills.
S1 · E7The Dumpling Paradox 8.5 / 10 · 2 published ratings 2007-11-05 · 21 min
With Wolowitz AWOL with one of her friends, Penny's recruited to fill in for him on the guys' Halo team
S1 · E8The Grasshopper Experiment 8.3 / 10 · 2 published ratings 2007-11-12 · 20 min
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.
S1 · E9The Cooper-Hofstadter Polarization 7.6 / 10 · 2 published ratings 2008-03-17 · 19 min
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.
S1 · E10The Loobenfeld Decay 8.3 / 10 · 2 published ratings 2008-03-24 · 21 min
Leonard and Sheldon each lie to avoid seeing Penny's concert, but Sheldon's is a bit too complicated for his own good.
S1 · E11The Pancake Batter Anomaly 8.3 / 10 · 2 published ratings 2008-03-31 · 22 min
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.
S1 · E12The Jerusalem Duality 7.8 / 10 · 1 published rating 2008-04-14 · 20 min
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.
S1 · E13The Bat Jar Conjecture 8.6 / 10 · 1 published rating 2008-04-21 · 22 min
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.
S1 · E14The Nerdvana Annihilation 8.6 / 10 · 1 published rating 2008-04-28 · 20 min
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.
S1 · E15The Pork Chop Indeterminacy 8.5 / 10 · 1 published rating 2008-05-05 · 22 min
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.
S1 · E16The Peanut Reaction 8.8 / 10 · 1 published rating 2008-05-12 · 20 min
Penny wants to throw a surprise party for Leonard, but Sheldon's indulgence at an electronics store throws her off-track.
S1 · E17The Tangerine Factor 8.0 / 10 · 1 published rating 2008-05-19 · 20 min
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.
S2 · E1The Bad Fish Paradigm 8.0 / 10 · 1 published rating 2008-09-22 · 22 min
Penny's first date with Leonard goes awry; Penny finds Sheldon to be an unwilling confidant.
S2 · E2The Codpiece Topology 7.9 / 10 · 1 published rating 2008-09-29 · 21 min
A jealous Leonard reacts to Penny's new guy by rebounding with Leslie.
S2 · E3The Barbarian Sublimation 8.0 / 10 · 1 published rating 2008-10-06 · 21 min
Sheldon creates a monster when he introduces Penny to online gaming.
S2 · E4The Griffin Equivalency 8.8 / 10 · 1 published rating 2008-10-13 · 21 min
Raj gets an inflated ego and makes a play for Penny after being referenced in a magazine article.