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Big Bang Theory - Season 5

Sheldon enters into Relationship Agreement, Howard just gets married

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Big Bang Theory - Season 5

DVD boxed set of The Big Bang Theory - Season 5

CBS

This season builds on the momentum established in season 4, with the progress of Howard's relationship with Bernadette, culminating in their marriage during the season finale. Leonard ends the season once again dating Penny, while Sheldon and Amy's relationship takes an unexpected turn by actually becoming a relationship, complete with Relationship Agreement. Meanwhile, Raj is tragically left behind as the guy who got a girlfriend after Sheldon Cooper. The show has really hit a stride, with a great dynamic among all of the characters.

Episode List

This is a full list of the episodes for Season 5. The links lead to a review of that particular episode, which includes discussions of the science specifically mentioned in that episode. You can learn some more about the series (though not the physics) at "The Big Bang Theory Profile" at the About.com TV Comedies Guidesite.
  1. "The Skank Reflex Analysis" - Fall-out from the season 4 finale
  2. "The Infestation Hypothesis" - Leonard deals with having a long distance relationship with his girlfriend who lives in India
  3. "The Pulled Groin Extrapolation" - Howard tells Bernadette that he wants them to live with his mother, while Leonard escorts Amy to a wedding
  4. "The Wiggly Finger Catalyst" - Penny sets Raj up with a girl for whom his lack of communication isn't an issue
  5. "The Russian Rocket Reaction" - Sheldon & Leonard are invited to a party at Wil Wheaton's house, forcing Leonard to choose between a cool night and his loyalty to Sheldon
  6. "The Rhinitis Revelation"- Sheldon's mother comes into town for a visit and seems more interested in spending time with his friends than with him.
  7. "The Good Guy Fluctuation" - Leonard contemplates becoming a bad boy to attract a hot female geek.
  8. "The Isolation Permutation" - Amy feels like she's not really one of the girls
  9. "The Ornithophobia Diffusion" - While Penny and Leonard see if they can hang out as friends, Sheldon combats a winged nemesis outside his window.
  10. "The Flaming Spittoon Acquisition" - Sheldon is faced with advancing his relationship with Amy or losing her.
  11. "The Speckerman Recurrence" - Leonard confronts a bully from his past.
  12. "The Shiny Trinket Maneuver" - Sheldon and Howard both have to deal with complications involving the ladies in their lives.
  13. "The Recombination Hypothesis" - In the 100th episode, Leonard asks Penny out on a date, nearly two years after their break-up.
  14. "The Beta Test Initiation" - Leonard and Penny decide to have beta test of their new relationship, before moving on to a full release. This episode also contains the hilarious running gag about Sheldon filming his 52-part video podcast, "Fun with Flags."
  15. "The Friendship Contraction" - Leonard ends his friendship with Sheldon; Howard seeks an astronaut nickname
  16. "The Vacation Solution" - Sheldon, forced to take a vacation from the physics department, decides to use the time to work in Amy's biology laboratory.
  17. "The Rothman Disintegration" - War breaks out when an office in the physics department opens up.
  18. "The Werewolf Transformation" - Sheldon's obsessive personality gets in the way of his grooming habits
  19. "The Weekend Vortex" - Sheldon chooses a video game over a weekend with his girlfriend
  20. "The Transporter Malfunction" - Raj gets set up on a date by his parents while Sheldon meets a small plastic Leonard Nimoy
  21. "The Hawking Excitation" - Sheldon becomes Howard's slaves so that he can meet Stephen Hawking
  22. "The Stag Convergence" - The guys throw Howard a bachelor party
  23. "The Launch Acceleration" - Howard's space launch is rescheduled; Sheldon begins having feelings
  24. "The Countdown Reflection" - Howard and Bernadette's wedding is pushed up before Howard's mission into space.

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