Available Episodes

The Big Bang Theory
S1 | E16 The Peanut Reaction 19 min Expires in 2 days
S1 | E16 The Big Bang Theory 19 min Expires April 23
Penny wants to throw a surprise party for Leonard but Sheldon's indulgence at an electronics store throws her off-track. ..More
The Big Bang Theory
S1 | E17 The Tangerine Factor 19 min Expires in 2 days
S1 | E17 The Big Bang Theory 19 min Expires April 23
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. ..More
The Big Bang Theory
S2 | E1 The Bad Fish Paradigm 20 min Expires in 2 days
S2 | E1 The Big Bang Theory 20 min Expires April 23
Penny opens up to a reluctant Sheldon after a less-than-stellar first date with Leonard, placing him in the uncomfortable position of having to keep a secret. ..More
The Big Bang Theory
S2 | E14 The Financial Permeability 20 min Expires in 4 days
S2 | E14 The Big Bang Theory 20 min Expires April 25
When Sheldon loans money to Penny so she can pay her rent, it leads to Leonard coming face-to-face with her ex, Kurt. ..More
The Big Bang Theory
S2 | E15 The Maternal Capacitance 20 min Expires in 4 days
S2 | E15 The Big Bang Theory 20 min Expires April 25
A visit from Leonard's mother ends up bringing him and Penny closer. ..More
The Big Bang Theory
S2 | E16 The Cushion Saturation 20 min Expires in 4 days
S2 | E16 The Big Bang Theory 20 min Expires April 25
Paintball leads to a squabble between Sheldon and Penny as well as romance between Howard and Leslie. ..More
The Big Bang Theory
S2 | E17 The Terminator Decoupling 20 min Expires in 4 days
S2 | E17 The Big Bang Theory 20 min Expires April 25
The gang is thrilled when they see Terminator: The Sarah Connor Chronicles' Summer Glau is also aboard their train to San Francisco for a scientific symposium. Sheldon frets over having forgotten a paper he wants to present to George Smoot. ..More
The Big Bang Theory
S3 | E5 The Creepy Candy Coating Corollary 20 min Expires in 5 days
S3 | E5 The Big Bang Theory 20 min Expires April 26
Sheldon looks forward to squaring off against an actor from the Star Trek universe he holds enmity towards in a fantasy card game tournament. Wolowitz cashes in on an old pact with Leonard to get Penny to set him up with a friend of hers. ..More
The Big Bang Theory
S3 | E6 The Cornhusker Vortex 19 min Expires in 5 days
S3 | E6 The Big Bang Theory 19 min Expires April 26
Leonard, hoping to fit in with Penny's football-loving friends, gets tutored in the sport by Sheldon. Raj is infuriated when Wolowitz's skirt-chasing leads to the loss of his prized patang. ..More
The Big Bang Theory
S3 | E7 The Guitarist Amplification 19 min Expires in 5 days
S3 | E7 The Big Bang Theory 19 min Expires April 26
Leonard and Penny's first big fight sees Sheldon playing mediator due to childhood trauma that's left him with an inability to be around loud verbal conflicts. ..More
The Big Bang Theory
S3 | E8 The Adhesive Duck Deficiency 20 min Expires in 5 days
S3 | E8 The Big Bang Theory 20 min Expires April 26
With the rest of the gang off on a desert camping trip to view the Leonid meteor shower, Sheldon must play hero after Penny slips in the tub and dislocates her shoulder. ..More
The Big Bang Theory
S3 | E9 The Vengeance Formulation 18 min Expires in 5 days
S3 | E9 The Big Bang Theory 18 min Expires April 26
Barry Kripke pranks Sheldon during his spot on NPR, leaving him with a taste for vengeance. Wolowitz, pressured by Bernadette to define their relationship, gets advice from a fantasy version of Katee Sackhoff. ..More
The Big Bang Theory
S3 | E10 The Gorilla Experiment 20 min Expires in 5 days
S3 | E10 The Big Bang Theory 20 min Expires April 26
Penny seeks Sheldon's help to better comprehend Leonard's physics work. Wolowitz sees green when Leonard invites Bernadette to watch an experiment. ..More
The Big Bang Theory
S3 | E11 The Maternal Congruence 19 min Expires in 5 days
S3 | E11 The Big Bang Theory 19 min Expires April 26
A Christmas visit from his mother has Leonard discovering she's kept a lot of news from him that she shares with Sheldon and worrying if she'll approve of his romance with Penny. ..More
The Big Bang Theory
S3 | E20 The Spaghetti Catalyst 19 min Expires in 5 days
S3 | E20 The Big Bang Theory 19 min Expires April 26
Subsequent to Leonard and Penny's break-up, Sheldon tries to hide from Leonard and the gang that he had a friendly spaghetti dinner at Penny's. ..More