The Big Bang Theory Season 4 Episode 3 : The Zazzy Substitution

The guys are concerned as Sheldon searches for an alternative to human companionship.

NameThe Big Bang Theory Season 4 Episode 3: The Zazzy Substitution
Air DateOctober 7th, 2010
GenreComedy
NetworkCBS
Production CompaniesChuck Lorre Productions, Warner Bros. Television
DirectorMark Cendrowski
Guest StarLaurie Metcalf
Plot Keywordsnerd, geek, friends, scientist, science, sitcom
Simon Helberg
Simon Helberg
Howard Wolowitz
Johnny Galecki
Johnny Galecki
Leonard Hofstadter
Jim Parsons
Jim Parsons
Sheldon Cooper
Kunal Nayyar
Kunal Nayyar
Rajesh Koothrappali
Kaley Cuoco
Kaley Cuoco
Penny
Mayim Bialik
Mayim Bialik
Amy Farrah Fowler

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