Season 3 · Episode 9

The Vengeance Formulation

The Big Bang Theory artwork — Series artwork

Episode Details

Season: Season 3
Episode: 9
Air date: 2009-11-23

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Plot

No episode overview has been added yet.

Main Cast

5

as Sheldon Cooper

as Leonard Hofstadter

as Howard Wolowitz

Guest Stars

4

John Ross Bowie

as Barry Kripke

as Debbie Wolowitz (voice)

as Ira Flatow (voice)

as Katee Sackhoff