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 October 2025.
Last episode
30:00
30:00The Big Bang Theory
The 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)
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20:00The Imitation Perturbation: Howard dresses up as Sheldon for Halloween, so Sheldon gets revenge. Leonard is shocked that Penny can't recall their first kiss. (S12 Ep6)
25:00The Planetarium Collision: Sheldon accidentally sabotages Amy's career. Raj isn't keen when Howard's invited to host a show with him at the planetarium. (S12 Ep5)
20:00The Tam Turbulence: When Sheldon won't tell anyone why he's never mentioned Tam, his childhood best friend, Leonard tries to find out more. (S12 Ep4)
Series 11
25:00
25:00The Bow Tie Asymmetry: Everyone is focused on making sure that the arrangements for Amy and Sheldon's big day go according to plan - except the bride and groom. (S11 Ep24)
Series 9 30:00
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)
Series 12 30:00
30:00The Procreation Calculation: Stuart starts bringing his new girlfriend home to Howard and Bernadette's house. Penny and Leonard talk about starting a family. (S12 Ep3)
20:00The Wedding Gift Wormhole: A stressed Sheldon and Amy struggle to work out what the 'perfect gift' is that Leonard and Penny gave them on their wedding day. (S12 Ep2)
25:00The Conjugal Configuration: Sheldon and Amy's honeymoon runs aground, while Penny and Leonard discover that they are uncomfortably similar to Amy's parents. (S12 Ep1)
Series 9 30:00
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)
Series 11 25:00
25:00The Sibling Realignment: When Sheldon finds out that his mum won't come to his wedding unless he invites his brother Georgie, he and Leonard head to Texas. (S11 Ep23)
20:00The 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)
20:00The 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)
Series 9 30:00
30:00The Application Deterioration: Leonard, Sheldon and Howard run into problems when they file for a patent. Emily reaches out to Raj after their break-up. (S9 Ep18)
30:00The Celebration Experimentation: The gang persuade Sheldon to celebrate his birthday and invite a few special guests along to his party, in the 200th episode. (S9 Ep17)
Series 11 25:00
25:00The 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 9 30:00
30:00The Positive Negative Reaction: When Bernadette makes a big announcement, Howard becomes convinced that he needs to start earning more money. (S9 Ep16)