The Big Bang Theory

The Monster Isolation

S6 E1719mFeb 21, 2013 3.8

After a bad date, Koothrappali decides to never leave his apartment; Penny's acting skills impress Sheldon.

Up NextS6 E18 · The Contractual Obligation Implementation

Cast

Johnny GaleckiLeonard Hofstadter
Jim ParsonsSheldon Cooper
Kaley CuocoPenny
Simon HelbergHoward Wolowitz
Kunal NayyarRajesh Koothrappali
Melissa RauchBernadette Rostenkowski
Mayim BialikAmy Farrah Fowler

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