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 Gates Excitation: The guys do everything in their power to meet Bill Gates when his firm has dealings with the pharmaceutical company Penny works for. (S11 Ep18)
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30:00The Athenaeum Allocation: Leonard jumps through hoops to secure the perfect wedding venue for Sheldon and Amy. Howard and Bernadette face a big decision. (S11 Ep17)
30:00The Neonatal Nomenclature: Bernadette's friends try various tactics to help her go into labour. (S11 Ep16)
30:00The Novelization Correlation: Amy appears on the Professor Proton show. Penny hates the idea that the female protagonist in Leonard's novel is based on her. (S11 Ep15)
25:00The Separation Triangulation: Raj gets into a domestic drama with his new date Nell and her estranged husband. Sheldon rents his old room back from Leonard. (S11 Ep14)
25:00The Solo Oscillation: Amy and Leonard bond over some experiments. Bert replaces Howard in his band. Penny gives Sheldon unexpected scientific inspiration. (S11 Ep13)
Series 9
30:00
30:00The Meemaw Materialization: Sheldon is thrilled when his beloved grandma 'Meemaw' comes to visit, but his excitement fades when she butts heads with Amy. (S9 Ep14)
30:00The Empathy Optimization: The gang plan a Sheldon-free weekend in Las Vegas after coping with his constant demands, rudeness and ingratitude when he was ill. (S9 Ep13)
Series 11 25:00
25:00The Matrimonial Metric: Sheldon and Amy secretly test their friends, to work out who should be best man and maid of honour at their wedding. (S11 Ep12)
30:00The Celebration Reverberation: Sheldon and Howard plan birthday celebrations for Amy and Halley. Leonard is stressed by a Christmas letter from his brother. (S11 Ep11)
30:00The Confidence Erosion: Sheldon and Amy try to use maths to make their wedding planning less stressful. Raj falls out with Howard. (S11 Ep10)
20:00The Bitcoin Entanglement: Sheldon seeks revenge when the guys cut him out of a potentially valuable investment. A secret about Leonard and Penny is revealed. (S11 Ep9)
25:00The Geology Methodology: Sheldon and Bert collaborate on a research project, but Sheldon feels embarrassed to be associated with the study of geology. (S11 Ep7)
Series 9 30:00
30:00The Sales Call Sublimation: Penny gets more than she bargained for when Leonard meets a psychiatrist, while Sheldon and Raj make an astronomical discovery. (S9 Ep12)
30:00The Opening Night Excitation: Leonard, Howard and Raj have an extra ticket for the Star Wars movie premiere but can't decide who they should give it to. (S9 Ep11)
Series 11 25:00
25:00The Tesla Recoil: Leonard and Howard learn that Sheldon went to work with the military behind their backs. Bernadette thinks Ruchi's trying to steal her job. (S11 Ep8)
25:00The Proton Regeneration: Sheldon goes head-to-head with Wil Wheaton as they compete for the role of the new Professor Proton when the TV series has a reboot. (S11 Ep6)
20:00The Collaboration Contamination: Sheldon and Raj ask Bernadette for advice about their jealousy when Amy and Howard decide to collaborate on a new project. (S11 Ep5)
Series 9 30:00
30:00The Earworm Reverberation: Sheldon is driven to distraction when he can't get a familiar tune out of his head. Howard and Raj find out that their band has a fan. (S9 Ep10)
30:00The Platonic Permutation: At Thanksgiving, Sheldon and Amy hang out as friends at the aquarium, and Howard reluctantly agrees to volunteer at a soup kitchen. (S9 Ep9)