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- Season 2 overviewSep 22, 2008-May 11, 200923 episodesSeason 2 episodes1. The Bad Fish Paradigm Sep 22, 2008
- Penny's first date with Leonard goes awry; Penny finds Sheldon to be an unwilling confidant.
- 2. The Codpiece Topology Sep 29, 2008
- Leonard rushes into a rebound relationship with Sheldon's nemesis.
- 3. The Barbarian Sublimation Oct 6, 2008
- Sheldon creates a monster when he introduces Penny to online gaming.
- 4. The Griffin Equivalency Oct 13, 2008
- Raj gets an inflated ego and makes a play for Penny after being referenced in a magazine article.
- 5. The Euclid Alternative Oct 20, 2008
- Leonard and his friends stage an intervention to force Sheldon to face his fear of driving.
- 6. The Cooper-Nowitzki Theorem Nov 3, 2008
- Sheldon and the gang are confused when a young grad student is attracted to him.
- 7. The Panty Piñata Polarization Nov 10, 2008
- Sheldon bans Penny from the apartment for a series of petty infractions; she vows to get revenge.
- 8. The Lizard-Spock Expansion Nov 17, 2008
- Leonard inadvertently steals away the new woman Wolowitz thinks is the love of his life.
- 9. The White Asparagus Triangulation Nov 24, 2008
- Sheldon is thrilled when Leonard starts dating a woman who meets Sheldon's stringent standards.
- 10. The Vartabedian Conundrum Dec 8, 2008
- Leonard asks Penny for advice when his new relationship starts moving too fast.
- 11. The Bath Item Gift Hypothesis Dec 15, 2008
- Leonard and his friends are tortured by Sheldon's obsession with gift-giving etiquette.
- 12. The Killer Robot Instability Jan 12, 2009
- The guys lose their most important teammate in an upcoming fighting-robot competition.
- 13. The Friendship Algorithm Jan 19, 2009
- Sheldon develops a scientific procedure for making friends; Kripke controls a new supercomputer.
- 14. The Financial Permeability Feb 2, 2009
- Sheldon's solution to Penny's financial difficulty leads to a confrontation.
- 15. The Maternal Capacitance Feb 9, 2009
- Leonard and Penny are drawn together after a disastrous visit from Leonard's mother.
- 16. The Cushion Saturation Mar 2, 2009
- A paintball game leads to a fight between Sheldon and Penny, and romance for Leslie and Wolowitz.
- 17. The Terminator Decoupling Mar 9, 2009
- Leonard, Sheldon and Wolowitz are ecstatic to learn that a sci-fi actress is aboard their train.
- 18. The Work Song Nanocluster Mar 16, 2009
- Penny's home business turns into a complete nightmare when Sheldon takes over.
- 19. The Dead Hooker Juxtaposition Mar 30, 2009
- Penny has a rivalry with a new neighbor who threatens her position as queen bee of the building.
- 20. The Hofstadter Isotope Apr 13, 2009
- Wolowitz and Leonard decide to check out a local bar on Ladies' Night.
- 21. The Vegas Renormalization Apr 27, 2009
- Koothrappali and Leonard take Wolowitz to Las Vegas; Sheldon gets locked out of his apartment.
- 22. The Classified Materials Turbulence May 4, 2009
- Penny makes a surprising revelation about Leonard while on her date with Stuart.
- 23. The Monopolar Expedition May 11, 2009
- Leonard and Penny re-evaluate their feelings for each other when he prepares for a three-month trip.
The second season of the American television sitcom The Big Bang Theory aired on CBS from September 22, 2008 to May 11, 2009. A DVD consisting of all 23 episodes of the season was released on September 15, 2009, and a Blu-ray version was reissued on July 10, 2012, with remastered surround sound audio, whereas the DVD version only had stereo.
Find out the titles, dates, ratings and summaries of all 24 episodes of season 2 of the popular sitcom The Big Bang Theory. Watch options and cast information are also available for each episode.
- The Bad Fish Paradigm. September 22, 2008. Mark Cendrowski. Penny and Leonard return from their date, but she gives him a brush off when he tries to get a second date.
- The Codpiece Topology. September 29, 2008. Mark Cendrowski. Sheldon with Penny on the stairs while playing Mario. Penny is dating a new guy, so Leonard jumps at the chance to date Leslie Winkle again.
- The Barbarian Sublimation. October 6, 2008. Mark Cendrowski. Sheldon becomes distracted from playing Age of Conan by Penny who has accidentally attempted to use her car keys to open her apartment door.
- The Griffin Equivalency. October 13, 2008. Mark Cendrowski. Raj discovers a trans-neptunian planetoid and gets featured in People Magazine as a result. The fame soon goes to his head and he alienates all his friends.
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Streaming, rent, or buy The Big Bang Theory – Season 2: Currently you are able to watch "The Big Bang Theory - Season 2" streaming on Max, Max Amazon Channel or buy it as download on Amazon Video, Google Play Movies, Vudu, Microsoft Store, Apple TV.
- 13
- TV-PG
Watch the second season of the hit sitcom about nerdy physicists and their neighbor Penny on Max, Fandango, or Prime Video. See ratings, reviews, and trailers from critics and fans.
- (8)
- Johnny Galecki
- Mark Cendrowski, Lee Aronsohn
- September 24, 2007
Find out the plot, trivia, and ratings of season 2 of The Big Bang Theory, a comedy series about two nerdy physicists and their friends. Watch the trailer, browse the episodes, and see the top-rated cast members.
Apr 27, 2009 · Watch full episodes, quotes and photos of season 2 of the hit comedy series The Big Bang Theory. Follow the adventures of Sheldon, Leonard, Raj, Wolowitz and Penny as they navigate love, science and geek culture.