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 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)
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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)
Series 4
30:00
30:00The Agreement Dissection: Priya uses her legal expertise to dissect the roommate agreement and put Sheldon in his place, and the girls take Sheldon dancing. (S4 Ep21)
30:00The Herb Garden Germination: Sheldon and Amy experiment on their friends by spreading gossip, while Howard takes a big step in his relationship with Bernadette. (S4 Ep20)
30:00The Zarnecki Incursion: When somebody hacks into Sheldon's online gaming account, he and his friends become determined to locate the culprit. (S4 Ep19)
30:00The Prestidigitation Approximation: Leonard must choose between his new girlfriend Priya and his friendship with Penny. Howard drives Sheldon crazy with a magic trick. (S4 Ep18)
Series 6 30:00
30:00The Proton Resurgence: Leonard and Sheldon hire Professor Proton, the host of a TV science show they watched as children, to come to their flat and entertain them. (S6 Ep22)
30:00The Closure Alternative: Amy employs a series of exercises to cure Sheldon of his compulsion to complete every task without fail and seek closure for every incident. (S6 Ep21)
Series 4 30:00
30:00The Toast Derivation: Sheldon is surprised and disturbed to find out that it's really Leonard who is at the centre of their group of friends and not him. (S4 Ep17)
35:00The Cohabitation Formulation: Howard is torn between taking things to the next level with Bernadette and pleasing his mother. Leonard rekindles his relationship with Priya. (S4 Ep16)
25:00The Benefactor Factor: A wealthy benefactor at the university makes Leonard consider how far he's willing to go in the name of science. (S4 Ep15)
35:00The Thespian Catalyst: Sheldon lectures at the university but worries that the students don't seem to like him. Raj fantasises about his best friend's girlfriend. (S4 Ep14)
Series 1 30:00
30:00The Loobenfeld Decay: Leonard and Sheldon each tell a lie to avoid going to see Penny singing on stage in a production of Rent, but Sheldon's fib gets out of control. (S1 Ep10)
30:00The Cooper-Hofstadter Polarization: Sheldon and Leonard fall out when they're asked to collaborate at a physics conference. Penny tries to help but just makes things worse. (S1 Ep9)
30:00The Grasshopper Experiment: Raj panics when his parents arrange a blind date for him. But he discovers that he can talk to her - after a few drinks. (S1 Ep8)
30:00The Dumpling Paradox: When Howard seduces Penny's friend and spends the night with her in Penny's flat, Penny asks if she can sleep on Leonard and Sheldon's sofa. (S1 Ep7)
Series 4 30:00
30:00The Love Car Displacement: Howard feels threatened when Bernadette runs into her hulk of an ex-boyfriend at a science conference. (S4 Ep13)
30:00The Bus Pants Utilization: Leonard and Sheldon fight for control of an idea for an app. (S4 Ep12/24)
30:00The Justice League Recombination: The guys slowly warm to Zack and find an enjoyable way to bond with him when they enter a New Year's Eve fancy dress competition together. (S4 Ep11)
30:00The Alien Parasite Hypothesis: Amy realises that she has romantic feelings for Zack. Raj and Howard compete to prove who would make the better superhero. (S4 Ep10)