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The Big Bang Theory 11x21 All Sneak Peeks "The Comet Polarization"

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, on THE BIG BANG THEORY, Thursday, April 19th on CBS.

  • Duration: 03:27

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