The Big Bang Theory
The Big Bang Theory is a TV show on E4. Astronomically popular US sitcom. Nerdy flatmates Leonard and Sheldon know a lot about physics, but little about women. But when Penny moves in across the hall, that could all be about to change... The program has been available since 2025. A total of 279 episodes have been broadcast, most recently in November 2025.
Last episode
30:00
30:00The Big Bang Theory
The Holographic Excitation: The gang celebrate Halloween with a fancy dress party at Stuart's comic book shop, but Sheldon and Amy can't agree on which costumes to wear. (S6 Ep5)
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30:00
The Monetary Insufficiency: Sheldon goes to Las Vegas to try to win money for science. Penny and Bernadette take Amy shopping for a wedding dress. (S11 Ep22)
30:00The Comet Polarization: Sheldon isn't pleased by the comic book shop's new-found popularity. Raj tries to take the credit for Penny's astronomical discovery. (S11 Ep21)
30:00The Reclusive Potential: A brilliant scientist invites Sheldon to his isolated cabin, and Leonard, Raj and Howard go along for the trip. (S11 Ep20)
30:00The Tenant Disassociation: Leonard competes with Sheldon to become president of the tenants' association. Howard and Raj find a drone in the back garden. (S11 Ep19)
Series 6
30:00
30:00The Re-entry Minimization: Howard is disappointed when he doesn't receive a hero's welcome on his return from space. Will he ever get the recognition he deserves? (S6 Ep4)
25:00The Higgs Boson Observation: Amy is jealous when Sheldon hires an attractive female assistant, and Howard's return from space is delayed by a week. (S6 Ep3)
Series 3 30:00
30:00The Pirate Solution: Raj must find a job or he'll be sent back to India, so he accepts an offer of work from Sheldon. Leonard and Penny try to get some time for themselves. (S3 Ep4)
30:00The Gothowitz Deviation: Sheldon tries to modify Penny's behaviour, and rewards her with chocolate when she does what he wants, while Howard and Raj go to a goth nightclub. (S3 Ep3)
30:00The Jiminy Conjecture: Leonard and Penny feel awkward around each other after their romantic liaison, while Sheldon and Howard take bets to determine a species of cricket. (S3 Ep2)
30:00The Electric Can Opener Fluctuation: Leonard's attempts to woo Penny are constantly thwarted. Sheldon heads to Texas after learning his friends meddled with his expedition data. (S3 Ep1)
Series 11 30:00
30:00The Gates Excitation: The guys do everything in their power to meet Bill Gates when his firm has dealings with the pharmaceutical company Penny works for. (S11 Ep18)
30:00The Athenaeum Allocation: Leonard jumps through hoops to secure the perfect wedding venue for Sheldon and Amy. Howard and Bernadette face a big decision. (S11 Ep17)
30:00The Neonatal Nomenclature: Bernadette's friends try various tactics to help her go into labour. (S11 Ep16)
30:00The Novelization Correlation: Amy appears on the Professor Proton show. Penny hates the idea that the female protagonist in Leonard's novel is based on her. (S11 Ep15)
Series 6
25:00
25:00The Decoupling Fluctuation: Sheldon intervenes when he learns that Penny is thinking about breaking up with Leonard, but he's hampered by his inability to keep a secret. (S6 Ep2)
35:00The Date Night Variable: Howard gets caught in a row between his mum and Bernadette while he's at the International Space Station. Sheldon invites Raj along on a date with Amy. (S6 Ep1)
Series 2 30:00
30:00The Monopolar Expedition: Leonard and Penny reconsider their feelings for each other, but then Leonard is offered the opportunity to spend the summer working at the North Pole. (S2 Ep23)
30:00The Classified Materials Turbulence: Things look up for Leonard when Penny makes a surprising revelation on her second date with Stuart. Howard sees a flaw in his NASA project. (S2 Ep22)
30:00The Hofstadter Isotope: Leonard is devastated when Stuart from the comic book shop chats up Penny. Even worse, she doesn't mind. Sheldon tries to scupper the budding romance. (S2 Ep20)