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The Big Bang Theory S11E21 poster

Watch The Big Bang Theory – Season 11 Episode 21: The Comet Polarization

The Big Bang Theory • Season 11, Episode 21 • 20 min • 2007 • ⭐ 7.9/10 • Comedy

Cast: Jim Parsons , Kaley Cuoco , Johnny Galecki , Simon Helberg , Kunal Nayyar , Melissa Rauch , Mayim Bialik

Directors: Chuck Lorre , Bill Prady

Watch The Big Bang Theory – S11E21

Episode Overview

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

Episode Navigation

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