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Looking to watch The Big Bang Theory Season 4 Episode 4 online? TV Fanatic is your destination for every paid and free streaming option of the The Big Bang Theory S4E4 full episode from 2 affiliates.

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Episode Details

The Big Bang Theory Season 4 Episode 4: "The Hot Troll Deviation"

We learn of an embarrassing secret about Wolowitz this week. How is that for a tease?!? Read our recap to learn more.