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The Big Bang Theory: Season 2

2x13 The Friendship Algorithm
TV-14

Episode

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Aired2009-01-20T01:00:00Z on CBS
Runtime21m
DirectorMark Cendrowski

WritersSteven Molaro (teleplay) + 3 more, Bill Prady (story), Richard A. Rosenstock (story), Chuck Lorre (teleplay)
CountryUnited States
LanguagesEnglish
GenresComedy

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Sheldon creates a scientific procedure for making friends.

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Season Regulars
5

Guest Stars
4

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