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Genres: Comedy
Station: CBS (US)
Status: Running
Start: 2007-09-24

The Big Bang Theory Next Episode Air Date

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The Big Bang Theory Air Dates

Ratings: 9.11/10 from 47 users
  • S04E01 - The Robotic Manipulation

    Penny finds herself along for the ride on Sheldon's first date ever; while Wolowitz finds a new use for a robotic arm.

    Air Date: 24 September 2010 00:00 -
  • S04E02 - The Cruciferous Vegetable Amplification

    Sheldon realizes he won't live long enough to download his consciousness into a robot body, and attempts to extend his lifespan.

    Air Date: 01 October 2010 00:00 -
  • S04E03 - The Zazzy Substitution

    The guys are concerned as Sheldon searches for an alternative to human companionship.

    Air Date: 08 October 2010 00:00 -
  • S04E04 - The Hot Troll Deviation

    An embarrassing secret of Wolowitz's comes to light, while Sheldon and Raj have a small war at work.

    Air Date: 15 October 2010 00:00 -
  • S04E05 - The Desperation Emanation

    Leonard realizes he's the only one without a girlfriend, while Sheldon wants to get rid of his.

    Air Date: 22 October 2010 00:00 -
  • S04E06 - The Irish Pub Formulation

    Leonard keeps an affair secret from Sheldon, Howard and Raj.

    Air Date: 29 October 2010 00:00 -
  • S04E07 - The Apology Insufficiency

    Sheldon's answers during an FBI interview put Wolowitz's security clearance in jeopardy.

    Air Date: 05 November 2010 00:00 -
  • S04E08 - The 21-Second Excitation

    While the guys camp in line for a screening, Penny and Bernadette invite Amy to her first slumber party.

    Air Date: 12 November 2010 01:00 -
  • S04E09 - The Boyfriend Complexity

    Penny asks Leonard to lie to her father, while Howard, Raj and Bernadette pull an all-nighter at a telescope.

    Air Date: 19 November 2010 01:00 -
  • S04E10 - The Alien Parasite Hypothesis

    Amy finds she has sexual feelings for Penny's ex, while Koothrappali and Wolowitz try to prove who would be the better superhero.

    Air Date: 10 December 2010 01:00 -
  • S04E11 - The Justice League Recombination

    The guys find a "super" use for Penny's new boyfriend, Zack, when they enter a costume contest as the Justice League.

    Air Date: 17 December 2010 01:00 -
  • S04E12 - The Bus Pants Utilization

    Leonard's idea for a smartphone app derails his friendship with Sheldon.

    Air Date: 07 January 2011 01:00 -
  • S04E13 - The Love Car Displacement

    Tension runs high when everyone is staying at the same hotel for a science event and Bernadette runs into her ex-boyfriend.

    Air Date: 21 January 2011 01:00 -
  • S04E14 - The Thespian Catalyst

    Sheldon hopes acting lessons from Penny will help him become a better teacher. Meanwhile, Koothrappali fantasizes about his best friend's girlfriend.

    Air Date: 04 February 2011 01:00 -
  • S04E15 - The Benefactor Factor

    Wealthy donor to the university makes Leonard consider how far he's willing to go for the sake of science.

    Air Date: 11 February 2011 01:00 -
  • S04E16 - The Cohabitation Formulation

    As Wolowitz contemplates taking things with Bernadette to the next level, Leonard rekindles his relationship with Raj's sister.

    Air Date: 18 February 2011 01:00 -
  • S04E17 - The Toast Derivation

    Sheldon struggles to cope when he realizes it's actually Leonard who is the center of their social group.

    Air Date: 25 February 2011 01:00 -
  • S04E18 - The Prestidigitation Approximation

    Leonard must choose between new girlfriend Priya and his friendship with Penny. Meanwhile, Howard drives Sheldon crazy with a magic trick.

    Air Date: 11 March 2011 01:00 -
  • S04E19 - The Zarnecki Incursion

    When someone hacks Sheldon's online game account, the guys go on a quest to find the culprit.

    Air Date: 01 April 2011 00:00 -
  • S04E20 - The Herb Garden Germination

    Sheldon and Amy experiment on their friends by spreading gossip, while Howard takes a big step in his relationship with Bernadette.

    Air Date: 08 April 2011 00:00 -
  • S04E21 - The Agreement Dissection

    When Priya uses her lawyer skills to pick apart the roommate agreement, the girls take Sheldon dancing.

    Air Date: 29 April 2011 00:00 -
  • S04E22 - The Wildebeest Implementation

    Raj attempts to cure his social anxiety disorder while Penny uses Bernadette to spy on Leonard and his girlfriend.

    Air Date: 06 May 2011 00:00 -
  • S04E23 - The Engagement Reaction

    When Howard finally breaks the news to his mom that he's engaged to Bernadette, it lands her in the hospital.

    Air Date: 13 May 2011 00:00 -
  • S04E24 - The Roommate Transmogrification

    When Bernadette receives her Ph.D., the guys take joy in reminding an emasculated Wolowitz that he is the only one in their group who isn't a doctor. Meanwhile, Koothrappali becomes Sheldon's new roommate after hearing Leonard and Priya engaging in a "Star Trek" bedroom fantasy.

    Air Date: 20 May 2011 00:00 -