The Big Bang Theory

Seasons

The Big Bang Theory

Season 1 (2015)

Leonard and Sheldon, a pair of socially awkward physicists, find their lives turned upside down when an aspiring actress, Penny, moves in across the hall. First season of the smash-hit US comedy from the creator of Two and a Half Men. Johnny Galecki, Jim Parsons and Kaley Cuoco star.

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The Big Bang Theory

Season 2 (2015)

Leonard and Penny return from their first proper date; Penny becomes addicted to an online video game; and Raj lets fame go to his head after he is included in a magazine's list of visionaries under 30 to watch.

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The Big Bang Theory

Season 3 (2016)

The guys return from the North Pole hiding something from Sheldon, while Leonard hopes for a special reunion with Penny. Third series of the smash-hit US sitcom starring Jim Parsons and Kaley Cuoco.

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The Big Bang Theory

Season 4 (2015)

Howard gets his genitals stuck in a robotic arm he brought home from his lab; Sheldon changes his diet in a bid to boost his chances of extending his life expectancy; and Raj annoys Sheldon by buying a large table for the office they are sharing.

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The Big Bang Theory

Season 5 (2015)

Penny regrets sleeping with Raj; Leonard tries to spice up his long-distance relationship with Raj's sister, Priya (Aarti Mann), with cybersex; and Sheldon decides to let a dice make trivial decisions for him so he can free up his mind for more important things.

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The Big Bang Theory

Season 6 (2015)

The cleverest guys in California return for a sixth season of nerdy hilarity in the smash-hit comedy starring Jim Parsons, Johnny Galecki and Kaley Cuoco.

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The Big Bang Theory

Season 7 (2015)

Bernadette and Amy visit an out-of-town conference; Howard experiences an unusual emotional reaction; and the friends compete in a scavenger hunt designed by Raj to test their scientific knowledge and life skills.

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The Big Bang Theory

Season 8 (2015)

In Season 8, Sheldon's epic railway journey ends in chaos, Amy plays Penny and Bernadette off against each other, and Howard is asked to throw the first pitch at a baseball game.

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The Big Bang Theory

Season 9 (2016)

In Season 9, Penny struggles with Leonard's confession that he kissed another woman, Sheldon films a special episode of Fun with Flags, and the guys' skills are tested by a flat tyre.

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The Big Bang Theory

Season 10 (2016)

In Season 10, everyone gathers for Penny and Leonard's second wedding ceremony, Raj discovers how Bernadette really feels about her pregnancy and Howard makes an impulsive purchase.

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Cast

LeVar BurtonKeith CarradineLeonard NimoyJames Earl JonesBob NewhartJames HongJessica WalterWill WheatonRonald HunterAdam GregorChristine BaranskiBrent SpinerJudd HirschYeardley SmithCarrie FisherCharlie SheenBrian GeorgeAnnie O'DonnellLaurie MetcalfRegina KingDanica McKellarJohnny GaleckiGeorge TakeiDean NorrisOliver MuirheadJulio Oscar MechosoBilly Bob ThorntonKaley CuocoEliza DushkuAllen NaborsJune SquibbStan LeeDJ QuallsBrian SmithJoshua MalinaTiffany DupontMichael TruccoJudy GreerAlice AmterCarol-Ann SusiSara RueNathan FillionKatee SackhoffOctavia SpencerLewis BlackMargo HarshmanJohn Ross BowieMark HarelikRick FoxBuzz AldrinSara GilbertMayim BialikRiki LindhomeTravis SchuldtJane Galloway HeitzKevin SussmanSummer GlauBrooke D'OrsayStephen MerchantKate MicucciSimon HelbergWil WheatonElizabeth BogushTravis DavisAnaleigh TiptonRobert ClotworthyAndy MackenzieJim ParsonsKevin BriefLaura SpencerJennifer HaleChuck CarterVernee Watson-JohnsonAndrew WalkerZachary AbelAshley Austin MorrisStephen HawkingAlessandra TorresaniValerie AzlynnBlake AndersonJosh BrenerCourtney HenggelerBlake BerrisKunal NayyarAarti MannMelissa RauchSteve WozniakBrian Thomas SmithMichael HyattKaley Cuoco-SweetingIan Scott RudolphAmanda PaytonLauri JohnsonWhitney AvalonCarol Ann SusiPhil AbramsBrian Patrick WadeTreisa GarySherry WestonSierra EdwardsEmily HappeBill NyeCharlotte NewhouseRachel CannonErin Allin O'ReillyCynthia HollowayKimberly Kevon WilliamsSarayu RaoSandra MarquezSergio EnriqueTalbott ChinHoward ChanJade ZdanowWill DeutschJodi Lynn O'KeefeAustin LeeEmma DegerstedtJudith MorelandLynn Phillip SeibelWilliam NgoTyler OlsonMark HamesElena Campbell-MartinezLivia TrevinoSamantha PotterLanny JoonSarah BuehlerMolly MorganGeorge SmootH Michael CronerJason MeschesIra FlatowChristopher Douglas ReedBrian GreeneJen DrohanDavid TriceArtie O'DalyErin Pickett