The Big Bang Theory

Thursday 8:00 PM on CBS Premiered Sep 24, 2007 In Season




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  • Season 5 (33)
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  • Season 3 (38)
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  • Videos (5)
  • The Neonatal Nomenclature

    Full Episode

    S 11 : Ep 16 - 3/1/18

    When Bernadette won't go into labor, all her friends try different tactics to get things started. Also, Howard confronts Bernadette after Amy accidentally reveals she's already chosen their son's name.

  • The Novelization Correlation

    Full Episode

    S 11 : Ep 15 - 2/1/18

    Leonard's novel causes differences of opinion about who the characters are based on. Also, Amy guest stars on the Wil Wheaton's new Professor Proton show.

  • The Separation Triangulation

    Full Episode

    S 11 : Ep 14 - 1/18/18

    Raj discovers that the woman he is dating is still married and has only been separated for two weeks; Sheldon rents his old room for a quiet place to work.

  • The Solo Oscillation

    Full Episode

    S 11 : Ep 13 - 1/11/18

    When Sheldon kicks Amy out to work solo, she and Leonard bond during a series of science experiments. Also, Bert the geologist replaces Howard in the band Footprints on the Moon, and Sheldon finds Penny a surprising source of scientific inspiration.

  • The Matrimonial Metric

    Full Episode

    S 11 : Ep 12 - 1/4/18

    To discover who would be most qualified to be best man and maid of honor at their wedding, Sheldon and Amy subject their friends to a series of secret experiments. Also, Penny reveals her true feelings about Amy.

  • The Celebration Reverberation

    Full Episode

    S 11 : Ep 11 - 12/14/17

    Sheldon and Howard plan birthday celebrations for Amy and Halley, respectively. Also, Leonard receives a Christmas letter from his brother that causes him to spiral out about his own lack of accomplishments.

  • The Confidence Erosion

    Full Episode

    S 11 : Ep 10 - 12/7/17

    Sheldon and Amy try to eliminate stress from planning their wedding by applying math to the process, and they end up at city hall. Also, Raj "breaks up" with Howard after realizing his best friend is undermining his self-confidence.

  • The Bitcoin Entanglement

    Full Episode

    S 11 : Ep 9 - 11/30/17

    Sheldon tries to teach the guys a lesson after they cut him out of a potentially valuable Bitcoin investment. Also, a seven-year-old video reveals a secret about Leonard and Penny's relationship.

  • The Tesla Recoil

    Full Episode

    S 11 : Ep 8 - 11/16/17

    Leonard and Howard are furious after they learn Sheldon went to work with the military behind their backs. Also, while Bernadette is on bed rest, she asks Raj to do some digging when she suspects Ruchi is trying to steal her job.

  • The Geology Methodology

    Full Episode

    S 11 : Ep 7 - 11/9/17

    Bert asks Sheldon to collaborate with him on a geology project, but Sheldon is concerned about his reputation. Raj dates Bernadette's coworker.

  • The Proton Regeneration

    Full Episode

    S 11 : Ep 6 - 11/2/17

    Sheldon goes head-to-head with Wil Wheaton for the role of the new Professor Proton. Meanwhile, Penny steps in and takes care of Halley when Bernadette and Howard both wind up on bed rest.

  • The Explosion Implosion

    Full Episode

    S 11 : Ep 4 - 10/16/17

    Leonard is upset with the developing relationship between Penny and his mother; Sheldon and Howard bond over Howard's model rockets.

  • The Relaxation Integration

    Full Episode

    S 11 : Ep 3 - 10/9/17

    Sheldon and Amy struggle with setting a wedding date while Raj and Stuart fight for date with Bernadette's new co-worker.

  • The Retraction Reaction

    Full Episode

    S 11 : Ep 2 - 10/2/17

    Leonard angers the university and the entire physics community when he gives an embarrassing radio interview. Meanwhile, Amy and Bernadette bond over having to hide their success from Sheldon and Howard.

  • The Proposal Proposal

    Full Episode

    S 11 : Ep 1 - 9/25/17

    Season 11 begins with Amy giving Sheldon an answer to his marriage proposal. Meanwhile, Howard and Bernadette struggle with some unexpected news.

  • Amy And Sheldon Open A Very Special Wedding Gift From Stephen Hawking



    In an exclusive, unaired clip from The Big Bang Theory Season 11 finale, the happy couple gets one last wedding present from the late theoretical physicist Stephen Hawking. Stream The Big Bang Theory on CBS All Access.moreless
  • Mark Hamill guest stars as himself on THE BIG BANG THEORY finale



    Star Wars fans, rejoice! Mark Hamill is a special guest star on Thursday's 11th season finale of THE BIG BANG THEORY, which celebrates Amy & Sheldon's much anticipated wedding. Series stars Mayim Bialik and Kunal Nayyar express their excitement in this special feature and Mark Hamill himself lets us in on a little secret about how he knows series star, Simon Helberg.moreless
  • Series and guest stars give a sneak peek to the BIG BANG THEORY finale



    On Thursday's 11th season finale of THE BIG BANG THEORY, #ShAmy will finally tie the knot in front of family, friends and many special guest stars! Fans will get to meet Amy's (Mayim Bialik) family, the Fowlers, and see the return of Sheldon's (Jim Parsons) twin sister Missy (Courtney Henggeler) from season 1! Series and guest stars tell us to expect all that and more on this big night in this special sneak peek preview.moreless
  • Jerry O'Connell Tells You Everything You Need To Know About Georgie Cooper



    Want to know Georgie Cooper a little better? Jerry O'Connell, who plays Sheldon's older brother on The Big Bang Theory Season 11 finale, offers a primer on the eldest Cooper boy. Watch the Season 11 finale of The Big Bang Theory on Thursday, May 10 at 8/7c on CBS and CBS All Access.moreless
  • The Big Bang Theory Stars Answer Rapid-Fire Wedding Questions



    Before Amy and Sheldon's big day, watch Jim Parsons, Johnny Galecki, Mayim Bialik, Kaley Cuoco, and guest stars Laurie Metcalf, Jerry O'Connell, Mark Hamill (and more!) tackle some matrimonial topics. Watch the Season 11 finale of The Big Bang Theory on Thursday, May 10 at 8/7c on CBS and CBS All Access.moreless
  • Mark Hamill Talks About Playing Himself On The Big Bang Theory Finale



    Star Wars luminary Mark Hamill opens up about playing himself on the Season 11 finale of The Big Bang Theory, and reveals who HE geeks out over. Watch all-new episodes of The Big Bang Theory on Thursdays at 8/7c on CBS and CBS All Access.moreless
  • The Sibling Realignment (Sneak Peek 3)



    When Sheldon learns that his mother won't attend his wedding unless he invites his brother, Georgie (Jerry O'Connell), he and Leonard travel to Texas to end a family feud. Also, the Wolowitz kids inadvertently infest Amy, Bernadette, Wolowitz and Koothrappali with pinkeye, on The Big Bang Theory, Thursday, May 3 at 8/7c. Only CBSmoreless
  • Howard's Sickest Raj Burns On The Big Bang Theory



    See if you remember these classic zingers from Howard to his buddy Raj on The Big Bang Theory! Watch all-new episodes of The Big Bang Theory on Thursdays at 8/7c CBS and CBS All Access.moreless
  • The Collaboration Contamination (Preview)



    Sheldon and Koothrappali confide in Bernadette when they can't handle Amy and Wolowitz working together. Also, Penny and Leonard learn new tactics for how to deal Sheldon from an unlikely source, on The Big Bang Theory, Monday, Oct. 23 at 8/7c. Only CBSmoreless
  • The Long Distance Dissonance

    Full Episode

    S 10 : Ep 24 - 5/11/17

    On the Season 10 finale, Sheldon's former admirer, Dr. Ramona Nowitzki, turns up while Amy is visiting Princeton, and the gang is extremely concerned.

  • The Gyroscopic Collapse

    Full Episode

    S 10 : Ep 23 - 5/4/17

    Leonard, Sheldon and Howard celebrate the successful completion of their top-secret military project, until an unpleasant surprise leaves their heads spinning. Also, Raj moves out and Amy considers an offer of a summer position as a visiting researcher.

  • The Cognition Regeneration

    Full Episode

    S 10 : Ep 22 - 4/27/17

    Penny's job offer from a former boyfriend doesn't sit well with Leonard.

  • The Separation Agitation

    Full Episode

    S 10 : Ep 21 - 4/13/17

  • The Recollection Dissipation

    Full Episode

    S 10 : Ep 20 - 4/6/17

    Sheldon wakes up with no memory of what he did due to taking cold medicine and realizes that he lost his notebook which contains classified information about the air force project he's working on. Meanwhile, Bernadette starts to feel guilty about going back to work and leaving her baby, but she doesn't tell Howard about it which makes him believe that she's mad at him about something.

  • The Collaboration Fluctuation

    Full Episode

    S 10 : Ep 19 - 3/30/17

    Raj moves in with Leonard and Penny and a period of adjustment begins for the three, while the usually self-centered Sheldon shows surprising interest in Amy's work.

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