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 Egg Salad Equivalency: Sheldon is accused of sexual harassment and sent to Human Resources, where he ends up dragging Leonard, Raj and Howard into trouble too. (S6 Ep12)
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30:00The Santa Simulation: Sheldon unwillingly reveals painful memories of Christmas past when Leonard persuades him to join in with a seasonal game of Dungeons & Dragons. (S6 Ep11)
Series 12
30:00
30:00The VCR Illumination: Sheldon and Amy are still upset about their theory being disproven, but a video tape from Sheldon's past inspires him not to give up. (S12 Ep10)
30:00The Citation Negation: Sheldon and Amy get some devastating news. Bernadette asks Stuart's girlfriend Denise to teach her how to beat Howard at a video game. (S12 Ep9)
30:00The Consummation Deviation: Sheldon aims to bond with Amy's father, but Howard lures Mr Fowler away with his magic tricks. Raj and Anu try to get physical. (S12 Ep8)
30:00The Grant Allocation Derivation: Leonard is made responsible for distributing extra grant money. Bernadette turns the garden playhouse into a hideaway to escape her family. (S12 Ep7)
Series 3 30:00
30:00The Excelsior Acquisition: Sheldon is summoned to court for driving through a red light. He misses the chance to meet Stan Lee and riles the judge. Will he go to prison? (S3 Ep16)
30:00The Large Hadron Collision: Sheldon is gutted when Leonard asks Penny to go to Switzerland on Valentine's Day to see the world's largest particle accelerator instead of him. (S3 Ep15)
30:00The Einstein Approximation: Sheldon is baffled by a formula he's working on, so he gets a less mentally taxing job at the Cheesecake Factory to kick-start his creativity. (S3 Ep14)
30:00The Bozeman Reaction: After Leonard and Sheldon's flat is burgled, the gang create a new state-of-the-art security system to outwit any thieves and protect the place. (S3 Ep13)
Series 10 25:00
25:00The Cohabitation Experimentation: When Amy's flat is flooded, she has to move out while it is being repaired and proposes a 'cohabitation experiment' with Sheldon. (S10 Ep4)
30:00The Dependence Transcendence: Tensions rise when the guys struggle to complete their Air Force project on time and are forced to work around the clock. (S10 Ep3)
30:00The Military Miniaturization: Howard has a meeting with Air Force representative Colonel Williams about the gyroscope he invented with Leonard and Sheldon. (S10 Ep2)
30:00The Conjugal Conjecture: The gang face an awkward morning after Sheldon's mother and Leonard's father share an evening together. Penny's family arrive in town. (S10 Ep1)
Series 9 30:00
30:00The Convergence Convergence: Conflict arises when Leonard's recently divorced parents and Sheldon's devoutly religious mother are all in town at the same time. (S9 Ep24)
30:00The Line Substitution Solution: Sheldon pays Stuart to spend the afternoon shopping with Amy so that he can queue up to see a special film screening instead. (S9 Ep23)
30:00The Fermentation Bifurcation: The gang run into Penny's ex-boyfriend, Zack, at a wine bar. Bernadette, who can't drink, hangs out with Sheldon. (S9 Ep22)
30:00The Viewing Party Combustion: During a get-together to watch TV at the flat, a minor argument between Sheldon and Leonard escalates into a heated debate. (S9 Ep21)
30:00The Big Bear Precipitation: Sheldon shares a secret about Leonard when the two of them go on a weekend trip to a cabin in the country with Amy and Penny. (S9 Ep20)
30:00The Solder Excursion Diversion: Sheldon makes a surprise revelation when Amy buys him a new laptop. Leonard and Howard lie to their wives to avoid an errand. (S9 Ep19)