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 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)
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30:00The 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)
25:00The 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)
35:00The 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)
Series 6
30:00
30:00The 43 Peculiarity: The guys notice that Sheldon disappears for 20 minutes after lunch every day. Filled with curiosity, they attempt to work out what he's been doing. (S6 Ep8)
30:00The Habitation Configuration: Amy is upset when Sheldon fails to defend her in an argument with Wil Wheaton during the filming of a new episode of Fun with Flags. (S6 Ep7)
Series 3 30:00
30:00The Psychic Vortex: Sheldon and Raj go to a university party where Raj lusts after a girl called Abby. Leonard regrets telling Penny that he disapproves of her belief in psychics. (S3 Ep12)
30:00The Maternal Congruence: Leonard is horrified when his mother turns up unannounced for a Christmas visit, and then he finds out that Sheldon knew about her divorce before him. (S3 Ep11)
30:00The Gorilla Experiment: Howard and Penny are both jealous when Bernadette becomes fascinated with Leonard's physics project. (S3 Ep10)
30:00The Vengeance Formulation: Howard is scared about committing to Bernadette, so he avoids her. Then he realises that he's made a mistake and, to compensate, he proposes to her. (S3 Ep9)
Series 12 30:00
30:00The 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)
30:00The 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 11 30:00
30:00The 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)
30:00The 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)
Series 6 30:00
30:00The Extract Obliteration: Sheldon is thrilled when Stephen Hawking agrees to play against him in an online game. Penny signs up for a class at the community college. (S6 Ep6)
30:00The 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)
Series 3 30:00
30:00The Adhesive Duck Deficiency: Leonard, Raj and Howard go on a camping trip that alters their minds. Penny dislocates her shoulder when she slips in the shower. (S3 Ep8)
30:00The Guitarist Amplification: Sheldon is annoyed when Leonard and Penny argue about Penny's male friend staying over and he has to act as peacemaker. (S3 Ep7)
30:00The Cornhusker Vortex: Sheldon teaches Leonard about American football so that he can try to fit in with Penny's friends. And Raj and Sheldon have a kite-fighting contest. (S3 Ep6)
30:00The Creepy Candy Coating Corollary: Due to a childhood snub, Sheldon is irked when Star Trek actor Wil Wheaton (guest starring as himself) takes part in the same contest as him. (S3 Ep5)