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
25:00
25:00The Big Bang Theory
The Raiders Minimization: Amy ruins one of Sheldon's favourite films by pointing out a flaw in the storyline. Raj and Stuart decide to create online dating profiles. (S7 Ep4)
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35:00The Scavenger Vortex: Raj organises an epic and demanding scavenger hunt, designed to test the friends' scientific knowledge and common sense. (S7 Ep3)
Series 5
30:00
30:00The Russian Rocket Reaction: Sheldon's old nemesis Wil Wheaton returns and invites everyone to a housewarming party. But Sheldon threatens to 'de-friend' Leonard if he attends. (S5 Ep5)
30:00The Wiggly Finger Catalyst: Raj begins to get upset that he's the only one of the four guys not in a relationship, so Penny sets out to find him the perfect date. (S5 Ep4)
30:00The Pulled Groin Extrapolation: Leonard goes to a colleague's wedding as Amy's date. Howard tries to convince Bernadette to live with his mum after they get married. (S5 Ep3)
30:00The Infestation Hypothesis: Amy is stuck in the middle of a battle of wills between Penny and Sheldon. Leonard and Priya try to spice up their long-distance relationship. (S5 Ep2)
Series 1 30:00
30:00The Big Bran Hypothesis: Sheldon sneaks into Penny's flat to tidy it. She's not happy about it. (S1 Ep2)
30:00Pilot: The first ever episode of the hit sitcom. Leonard and Sheldon's geeky world is shaken up by the arrival of a beautiful new neighbour. (S1 Ep1)
Series 7 30:00
30:00The Deception Verification: Leonard returns early from his research expedition as a surprise for Penny, but Sheldon becomes upset that he wasn't in on the secret. (S7 Ep2)
30:00The Hofstadter Insufficiency: Sheldon and Penny bond while Leonard is away. Raj finds someone to share his heartache. Bernadette and Amy attract male attention at a conference. (S7 Ep1)
Series 5 25:00
25:00The Skank Reflex Analysis: Penny worries that she's screwed things up with her friends after her night with Raj. Sheldon takes command of the paintball team. (S5 Ep1)
Series 4 35:00
35:00The Roommate Transmogrification: Raj decides to move in with Sheldon after hearing Leonard and Priya engaging in a Star Trek bedroom fantasy. (S4 Ep24)
25:00The Engagement Reaction: Howard finally tells his mother that he's engaged to Bernadette. Unfortunately, the news lands his mum in hospital. (S4 Ep23)
35:00The Wildebeest Implementation: Raj attempts to overcome his anxiety about talking to women, while Penny uses Bernadette to spy on Leonard and his girlfriend. (S4 Ep22)
Series 2 30:00
30:00The Bad Fish Paradigm: Penny opens up to a reluctant Sheldon after a less-than-stellar first date with Leonard, putting him in the awkward position of having to keep a secret. (S2 Ep1)
Series 1 30:00
30:00The Tangerine Factor: When Penny breaks up with her boyfriend, Leonard plucks up the courage to ask her out. And each of them turns to Sheldon for advice about their date. (S1 Ep17)
30:00The Peanut Reaction: Penny throws a surprise party for Leonard, with help from Howard and Raj, but Sheldon's indulgence in an electronics shop throws her off track. (S1 Ep16)
30:00The Shiksa Indeterminacy: Leonard, Raj and Howard all fall heavily for Sheldon's twin sister, but when Leonard comes up with a plan to win her heart, it's derailed by Sheldon. (S1 Ep15)
Series 6 25:00
25:00The Bon Voyage Reaction: Leonard is offered an exciting job opportunity that will keep him out of the country for several months. Raj pushes the boundaries of his relationship. (S6 Ep24)
35:00The Love Spell Potential: When the girls' trip to Las Vegas falls through, the guys invite them to a Dungeons & Dragons night that changes Sheldon and Amy's relationship. (S6 Ep23)