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 September 2025.
Last episode
30:00
30:00The Big Bang Theory
The Rothman Disintegration: Sheldon and Kripke argue over who should get Professor Rothman's vacant corner office. Amy buys Penny some art to celebrate their friendship. (S5 Ep17)
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35:00The Vacation Solution: Sheldon helps Amy in her biology lab after he is forced to use up two weeks of holiday, but he is bored by the tasks that she gives him. (S5 Ep16)
30:00The Friendship Contraction: After Sheldon keeps him awake all night, an irate Leonard decides he needs to break the roommate agreement, which formally ends their friendship. (S5 Ep15)
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 30:00
30:00The Beta Test Initiation: Leonard and Penny put their relationship through a 'beta test' and report problems with each other as 'bugs'. Sheldon and Amy seek internet fame. (S5 Ep14)
30:00The Recombination Hypothesis: In the 100th episode of the US sitcom, Leonard and Penny agree to give their relationship another chance, but they soon start to argue again. (S5 Ep13)
Series 6 30:00
30:00The 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)
30:00The 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)
30:00The Egg Salad Equivalency: Sheldon is accused of sexual harassment and sent to Human Resources, where he ends up dragging Leonard, Raj and Howard into trouble too. (S6 Ep12)
30:00The Santa Simulation: Sheldon unwillingly reveals painful memories of Christmas past when Leonard persuades him to join in with a seasonal game of Dungeons & Dragons. (S6 Ep11)
Series 5 30:00
30:00The Shiny Trinket Maneuver: When Sheldon is dismissive of Amy's career, Penny, Raj and Leonard teach him that sometimes it's a good idea to pretend to care about things. (S5 Ep12)
30:00The Speckerman Recurrence: Leonard confronts the man who bullied him in high school, while Penny realises that she did her fair share of tormenting in the past. (S5 Ep11)
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)
30:00The Fish Guts Displacement: Sheldon begrudgingly takes care of Amy when she is sick. Bernadette arranges for Howard to go on a fishing trip with her macho father. (S6 Ep10)
30:00The Parking Spot Escalation: When non-driver Sheldon finds out that his unused parking space at the university has been reallocated to Howard, he feels undermined. (S6 Ep9)
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 5 30:00
30:00The Flaming Spittoon Acquisition: Stuart from the comic book shop invites Amy out on a date. Consumed by jealousy, Sheldon then asks her to be his girlfriend. (S5 Ep10)