Leonard and Penny face challenges as Howard becomes an awkward third party in their lives. Meanwhile, Raj's job prospects are put at risk when Sheldon's unorthodox solution jeopardizes his future, potentially forcing him to return to India.
1. The Electric Can Opener Fluctuation
Aired: Sep 21, 2009A rift among the friends sends Sheldon back to Texas, disrupting Leonard's hi...
Aired: Sep 28, 2009Leonard and Penny's first night together takes an unexpected turn into awkwar...
Aired: Oct 5, 2009Sheldon manipulates Penny's daily routine with a series of discreet alteratio...
Aired: Oct 12, 2009Leonard and Penny face challenges as Howard becomes an awkward third party in...
5. The Creepy Candy Coating Corollary
Aired: Oct 19, 2009Leonard enlists Penny's assistance in matching Howard with one of her friends...
Aired: Nov 2, 2009Leonard attempts to grasp the basics of football to bond with Penny's social ...
7. The Guitarist Amplification
Aired: Nov 9, 2009A disagreement between Leonard and Penny over a friend's living situation spa...
8. The Adhesive Duck Deficiency
Aired: Nov 16, 2009Sheldon is unexpectedly called upon to help Penny after she injures herself i...
Aired: Nov 23, 2009Sheldon concocts a scheme to retaliate against Kripke following a radio embar...
Aired: Dec 7, 2009Leonard's scientific reputation unexpectedly surges when Sheldon attempts to ...
Aired: Dec 14, 2009Leonard's mother is scheduled to visit, sending his stress levels soaring, wh...
Aired: Jan 11, 2010Sheldon agrees to be Raj's wingman at a university social event, while Leonar...
Aired: Jan 18, 2010Leonard and Sheldon's apartment is in need of a top-notch security makeover a...
14. The Einstein Approximation
Aired: Feb 1, 2010A brilliant physicist's intellectual impasse triggers a series of astonishing...
15. The Large Hadron Collision
Aired: Feb 8, 2010Leonard's Valentine's Day plans take an unexpected turn when Sheldon insists ...
Aired: Mar 1, 2010Sheldon's plans to get Stan Lee's autograph are derailed when he's unexpected...
17. The Precious Fragmentation
Aired: Mar 8, 2010A hidden ring with a rich history sparks a heated debate between the couple, ...
Aired: Mar 22, 2010Sheldon's honor is put to the test as he struggles to overcome his public spe...
Aired: Apr 12, 2010A high-stakes showdown between Sheldon and his longtime rival Wil Wheaton unf...
Aired: May 3, 2010Sheldon's desire for Penny's company pushes him to blur the lines of their fr...
Aired: May 10, 2010A sudden visit from a physicist sets off a romantic twist for Leonard, sendin...
22. The Staircase Implementation
Aired: May 17, 2010The origin story of Leonard's unlikely roommate arrangement with Sheldon is r...
Aired: May 24, 2010Leonard is left bewildered as Penny's pent-up emotions suddenly overflow in a...
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VietnamSeasons: 12
Current Status: Ended
Network: CBS
Production Country: United States
Currently, you have the opportunity to watch "The Big Bang Theory" by streaming it on the following platforms: Disney+, Netflix, Sky Go or alternatively, you can enjoy it completely free of charge with advertisements on the following platforms: Prime Video, All 4. Additionally, viewers have the option to either rent or purchase "The Big Bang Theory" on the following digital platforms: AppleTV, Windows Store, Amazon, Google Play.
