Season 6 · Episode 18

The Contractual Obligation Implementation

The Big Bang Theory artwork — Series artwork

Episode Details

Season: Season 6
Episode: 18
Air date: 2013-03-07

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Plot

No episode overview has been added yet.

Main Cast

7

as Sheldon Cooper

as Leonard Hofstadter

as Howard Wolowitz

as Bernadette Rostenkowski-Wolowitz

as Amy Farrah Fowler

Guest Stars

7

Piper Mackenzie Harris

Dawson Fletcher

as Bert Kibbler

Seaonna Chanadet

as Eye Rolling Girl Student (uncredited)

as Library Graduate Student (uncredited)