The Big Bang Theory Season 4 Episode 6 : The Irish Pub Formulation

Leonard keeps an affair a secret from Sheldon, Howard and Raj.

NameThe Big Bang Theory Season 4 Episode 6: The Irish Pub Formulation
Air DateOctober 28th, 2010
GenreComedy
NetworkCBS
Production CompaniesChuck Lorre Productions, Warner Bros. Television
DirectorMark Cendrowski
Guest StarAarti Mann
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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