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Looking to watch The Big Bang Theory Season 5 Episode 5 online? TV Fanatic is your destination for every paid and free streaming option of the The Big Bang Theory S5E5 full episode from 2 affiliates.

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Episode Details

The Big Bang Theory Season 5 Episode 5: "The Russian Rocket Reaction"

Wil Wheaton returns and hosts a party this week. Sheldon and Leonard are invited. Read on for a recap.