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The Big Bang Theory
Season 5 • Episode 13 • The Recombination Hypothesis
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The Big Bang Theory Season 5, Episode 13: The Recombination Hypothesis
Leonard, who broke up with Priya, asks Penny out to a spur-of the-moment romantic dinner for two, and the duo contemplates on their relationship. Watch The Big Bang Theory Season 5, Episode 13 The Recombination Hypothesis in HD free online. Enjoy high-quality streaming of The Big Bang Theory Season 5, Episode 13 and share your thoughts in the comments below!
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Episodes
24 episodes
The Skank Reflex Analysis
Penny is worried with how damaged her friendship with the guys will be in the aftermath of her sleeping with Raj while Sheldon becomes the leader of the paintball team.
21 min
The Infestation Hypothesis
A fight between Sheldon and Penny leaves Amy caught in the middle, while Leonard tries to spice up his long-distance relationship with Priya.
20 min
The Pulled Groin Extrapolation
Leonard and Amy get to know each other better, while Howard and Bernadette spend the weekend with Mrs. Wolowitz.
20 min
The Wiggly Finger Catalyst
Penny plays Matchmaker for Raj, which results in him finding a girl he is comfortable talking to.
20 min
The Russian Rocket Reaction
Sheldon and Leonard get invited to a party at Wil Wheaton's house, and Howard gets an out-of-this-world opportunity.
21 min
The Rhinitis Revelation
Sheldon's mother, Mary Cooper, comes to visit, but Sheldon is annoyed that she also spends time with the rest of the gang, instead of catering to his every demand.
21 min
The Good Guy Fluctuation
A cute comic book artist puts Leonard and Priya’s relationship to the test, while Sheldon tries to scare the guys for Halloween.
20 min
The Isolation Permutation
Amy becomes heartbroken when she discovers that Penny and Bernadette went wedding dress shopping without her.
21 min
The Ornithophobia Diffusion
Leonard and Penny try hanging out as friends on a 'non-date', but end up purposely ruining each others chances with perspective dates. Meanwhile, Sheldon enlists the help of Bernadette and Amy to overcome his fear of birds.
21 min
The Flaming Spittoon Acquisition
When Stuart asks Amy out on a date, Sheldon must confront his feelings and consider where his relationship with Amy is going.
21 min
The Speckerman Recurrence
Leonard must face his fears after being contacted by his high school tormentor.
20 min
The Shiny Trinket Maneuver
Sheldon gets in trouble with Amy when he isn't impressed by her recent accomplishment, and Howard must come to grips with Bernadette's dislike of children.
21 min
The Recombination Hypothesis
Leonard, who broke up with Priya, asks Penny out to a spur-of the-moment romantic dinner for two, and the duo contemplates on their relationship.
21 min
The Beta Test Initiation
Leonard and Penny deal with the idea of starting a relationship again and Raj finally finds a "woman" he can talk to without being drunk, in the form of Siri on his new phone. Meanwhile, Sheldon decides to start a YouTube series entitled "Sheldon Cooper presents Fun with Flags" with the help of Amy.
20 min
The Friendship Contraction
Sheldon's selfish demands force Leonard to reconsider their friendship. Meanwhile, Wolowitz tries to pick his astronaut nickname.
20 min
The Vacation Solution
When Sheldon is forced to take his vacation, he goes to work with Amy in her neurobiology lab.
21 min
The Rothman Disintegration
Sheldon battles Kripke for a coveted office at the university. Penny receives a very unusual gift from Amy.
21 min
The Werewolf Transformation
Sheldon becomes agitated when his regular barber is out sick. Astronaut training causes Howard to reconsider wanting to go into space. Penny beats Leonard in chess, the first time she plays.
21 min
The Weekend Vortex
Sheldon must choose between joining Amy at her aunt's birthday party or playing videogames all weekend with the guys.
20 min
The Transporter Malfunction
Penny buys Leonard and Sheldon “Star Trek” collectibles as a thank-you, leading Sheldon to be haunted by Mr. Spock. Meanwhile, Raj decides he has met the “Future Mrs. Koothrappali” after his parents set him up on a date.
21 min
The Hawking Excitation
When Wolowitz gets to work with Stephen Hawking, Sheldon is willing to do anything to meet his hero.
19 min
The Stag Convergence
After the guys throw Howard a bachelor party, Bernadette reconsiders marrying him after learning about his sexual history.
21 min
The Launch Acceleration
When NASA moves up Howard's mission, he must face his fears and Bernadette's dad, thus putting the wedding plans in jeopardy. Meanwhile, Leonard says something surprising to Penny in the bedroom.
21 min
The Countdown Reflection
The fifth season ends with Howard and Bernadette deciding to get married before his NASA mission, causing the gang to scurry into overdrive in an effort to stage the wedding. NASA astronaut Mike Massimino has a cameo as himself.
20 min