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The Big Bang Theory Season 11 Episode 21

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The Big Bang Theory Season 11 Episode 21

Sheldon’s comic book store experiences changes when writer Neil Gaiman puts Stuart’s store on the map. Also, Koothrappali takes credit for Penny’s astronomical discovery, and friendships are threatened.

Views: 404

Series: The Big Bang Theory

Episode Title: The Comet Polarization

Air Date: 2018-04-19

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