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Looking to watch The Big Bang Theory Season 2 Episode 21 online? TV Fanatic is your destination for every paid and free streaming option of the The Big Bang Theory S2E21 full episode from 2 affiliates.

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Episode Details

The Big Bang Theory Season 2 Episode 21: "The Vegas Renormalization"

When Wolowitz gets dumped by Leslie, Raj and Leonard take him to Las Vegas to get over his breakup. Meanwhile, Sheldon gets locked out of the apartment and has to crash at Penny's.