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Daily or On Demand

The Big Bang Theory

AVAILABLE EPISODES

The Big Bang Theory
S2 | E18 The Work Song Nanocluster 20 min • Expires Tomorrow
S2 | E18 The Big Bang Theory 20 min • Expires January 21
Penny's business selling hair accessories out of her apartment gets out of hand when an over-caffeinated Sheldon takes charge. ..More
The Big Bang Theory
S2 | E19 The Dead Hooker Juxtaposition 19 min • Expires Tomorrow
S2 | E19 The Big Bang Theory 19 min • Expires January 21
Penny feels threatened when another sexy woman moves into the apartment building and angered when she senses the guys are being taken advantage of. ..More
The Big Bang Theory
S2 | E20 The Hofstadter Isotope 19 min • Expires Tomorrow
S2 | E20 The Big Bang Theory 19 min • Expires January 21
A fellow comic book enthusiast's hitting on Penny leads to Leonard, Raj and Howard going to a bar's Ladies' Night. ..More
The Big Bang Theory
S2 | E21 The Vegas Renormalization 20 min • Expires Tomorrow
S2 | E21 The Big Bang Theory 20 min • Expires January 21
Leonard and Raj take Wolowitz to Las Vegas to help him get over his break-up with Leslie. Sheldon, home alone and looking forward to it, locks himself out and has only one other place to stay, Penny's. ..More
The Big Bang Theory
S2 | E22 The Classified Materials Turbulence 18 min • Expires Tomorrow
S2 | E22 The Big Bang Theory 18 min • Expires January 21
Leonard is torn between being honest or self-serving when Stuart asks his advice for an upcoming second date with Penny. Wolowitz realizes there's a crucial error in a toilet he designed for the International Space Station. ..More
The Big Bang Theory
S2 | E23 The Monopolar Expedition 20 min • Expires Tomorrow
S2 | E23 The Big Bang Theory 20 min • Expires January 21
The guys' prestigious offer to work over the summer at the North Pole, and Penny's resultant behavior leaves Leonard unsure if he should go. ..More
The Big Bang Theory
S3 | E1 The Electric Can Opener Fluctuation 20 min • Expires Tomorrow
S3 | E1 The Big Bang Theory 20 min • Expires January 21
Discovering Leonard, Raj and Howard fudged the results of his Arctic research expedition, a disgraced Sheldon heads home to Texas. ..More
The Big Bang Theory
S3 | E2 The Jiminy Conjecture 20 min • Expires Tomorrow
S3 | E2 The Big Bang Theory 20 min • Expires January 21
Sheldon and Howard wager comic books over a cricket's species. Meanwhile, a less-than-perfect romantic night agonizes Leonard and Penny. ..More
The Big Bang Theory
S3 | E3 The Gothowitz Deviation 20 min • Expires Tomorrow
S3 | E3 The Big Bang Theory 20 min • Expires January 21
Howard takes Raj along to check out the Goth dating scene. Sheldon uses chocolate as part of a behavior modification experiment on Penny. ..More
The Big Bang Theory
S3 | E4 The Pirate Solution 20 min • Expires Tomorrow
S3 | E4 The Big Bang Theory 20 min • Expires January 21
Facing a return to India, Raj needs a job desperately enough to consider working for Sheldon. Meanwhile, Howard becomes a third wheel to Leonard and Penny. ..More
The Big Bang Theory
S3 | E5 The Creepy Candy Coating Corollary 20 min • Expires Tomorrow
S3 | E5 The Big Bang Theory 20 min • Expires January 21
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 Tomorrow
S3 | E6 The Big Bang Theory 19 min • Expires January 21
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 Tomorrow
S3 | E7 The Big Bang Theory 19 min • Expires January 21
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 Tomorrow
S3 | E8 The Big Bang Theory 20 min • Expires January 21
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 Tomorrow
S3 | E9 The Big Bang Theory 18 min • Expires January 21
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

About

Leonard and Sheldon are brilliant physicists, the kind of ''beautiful minds'' that understand how the universe works. But none of that genius helps them interact with people, especially women. All this begins to change when a free-spirited beauty named Penny moves in next door.