Watch The Big Bang Theory Season 11 Episode 21 - The Comet Polarization

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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.
First Aired: April 19, 2018 - 20 Minutes Runtime
Kevin Sussman, Neil Gaiman, Lauren Lapkus, Patrick Daniel
7.6/10
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