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 December 2025.
Last episode
30:00
30:00The Big Bang Theory
The Fortification Implementation: When Sheldon and Amy build a blanket fort, they come to a major crossroads in their relationship. Howard meets his half-brother. (S8 Ep20)
Catching up on The Big Bang Theory?
Don't want to miss an episode anymore? Set up a free alarm and receive an email when new episodes are available. Handy!
30:00The Skywalker Incursion: When Leonard and Sheldon are invited to speak at Berkeley, they take a detour during the journey to try to meet one of their idols. (S8 Ep19)
30:00The Leftover Thermalization: A power cut at Mrs Wolowitz's house defrosts the last meal she prepared before her death, so the gang consume it in her honour. (S8 Ep18)
30:00The Colonization Application: Amy learns that Sheldon has applied to take part in a one-way mission to colonise Mars. Leonard surprises Penny with a gift. (S8 Ep17)
30:00The Intimacy Acceleration: When the gang hear about an experiment designed to make participants fall in love, Sheldon and Penny put it to the test as a joke. (S8 Ep16)
30:00The Comic Book Store Regeneration: The gang prepare for the reopening of Stuart's comic book shop. Penny teaches Sheldon to 'let it go' when he is irritated. (S8 Ep15)
30:00The Troll Manifestation: Leonard and Sheldon co-publish a physics paper but are forced to defend themselves against negative comments from an online critic. (S8 Ep14)
30:00The Anxiety Optimization: When Sheldon gets stuck in a rut with his research, he asks his friends to cure his mental block by raising his stress levels. (S8 Ep13)
30:00The Space Probe Disintegration: Howard tries to calm a stressed Raj, who is anxiously awaiting the arrival of some data from a space probe that he helped launch. (S8 Ep12)
30:00The Clean Room Infiltration: Amy hosts a Victorian Christmas Eve dinner, complete with party games. Raj, Leonard and Howard have pigeon problems. (S8 Ep11)
30:00The Champagne Reflection: Sheldon and Amy record the final episode of their internet show Fun with Flags. Penny tells Bernadette how her colleagues really feel about her. (S8 Ep10)
30:00The Septum Deviation: When Leonard has to have minor surgery on his nose, Sheldon is the one who seems to need sympathy. Raj is upset when his parents split up. (S8 Ep9)
30:00The Prom Equivalency: The girls decide to re-enact their high school proms with their current partners on the roof of the apartment building. (S8 Ep8)
30:00The Misinterpretation Agitation: A smitten doctor turns up at Penny's door after her flirtatious sales techniques for the pharmaceutical company work a little too well. (S8 Ep7)
30:00The Expedition Approximation: Sheldon and Raj try to find out if they could survive a dark-matter research expedition in a salt mine by simulating the conditions in a tunnel. (S8 Ep6)
30:00The Focus Attenuation: The guys attempt to invent something of scientific importance but only come up with new and enjoyable ways to procrastinate. (S8 Ep5)
30:00The Hook-Up Reverberation: Raj's honesty about his past comes back to haunt him when his girlfriend Emily gives Penny the cold shoulder. The guys consider an investment. (S8 Ep4)
30:00The First Pitch Insufficiency: Howard's nervous when NASA ask him to throw the first pitch at a baseball game. Sheldon claims his and Amy's relationship is the best in the gang. (S8 Ep3)
Series 7
30:00
30:00The Table Polarization: Leonard buys a dining table for the flat but Sheldon objects to such a big change inside his home. Meanwhile, Howard gets the chance to return to space. (S7 Ep16)
25:00The Locomotive Manipulation: Love is in the air when Amy convinces Sheldon to join her for a romantic train trip to Napa Valley to celebrate Valentine's Day. (S7 Ep15)