The Big Bang Theory - Season 4 (2010)

Play Season 4 Trailer

Trailer

The Big Bang Theory

- Season 4

(2010)

Season 4

2010

22m

Comedy

Episode 24 - The Roommate Transmogrification

Air Date: May 19, 2011

When Bernadette receives her PhD, Wolowitz feels emasculated. Raj and Leonard swap places and Penny does something she's regrets.

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