The Big Bang Theory Season 5 Episode 15 : The Friendship Contraction

Sheldon's selfish demands force Leonard to reconsider their friendship. Meanwhile, Wolowitz tries to pick his astronaut nickname.

NameThe Big Bang Theory Season 5 : The Friendship Contraction
Air DateFebruary 2nd, 2012
GenreComedy
NetworkCBS
Production CompaniesChuck Lorre Productions, Warner Bros. Television
WritersChuck Lorre, Bill Prady, Eric Kaplan
DirectorMark Cendrowski
Guest StarsKevin Sussman, Carol Ann Susi, Michael J. Massimino
Plot Keywordsnerd, geek, friends, scientist, science, sitcom
Jim Parsons
Jim Parsons
Sheldon Cooper
Johnny Galecki
Johnny Galecki
Leonard Hofstadter
Kaley Cuoco
Kaley Cuoco
Penny
Simon Helberg
Simon Helberg
Howard Wolowitz
Kunal Nayyar
Kunal Nayyar
Rajesh Koothrappali
Mayim Bialik
Mayim Bialik
Amy Farrah Fowler
Melissa Rauch
Melissa Rauch
Bernadette Rostenkowski

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