The Big Bang Theory The Comet Polarization (Season 11, Episode 21)
TV-PG
TV Episode | 21 min | Comedy, Romance

Primary photo for The Comet Polarization

The Big Bang Theory

The Comet Polarization (Season 11, Episode 21)

TV-PG

TV Episode | 21 min | Comedy, Romance

Sheldon's comic book store experience changes when writer Neil Gaiman puts Stuart's store on the map; friendships are threatened when Koothrappali takes credit for Penny's astronomical discovery.

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Cast	+ Add Cast
13 cast members

Name	Known for
Johnny Galecki Leonard Hofstadter Leonard Hofstadter See fewer	The Big Bang Theory (2007)
Jim Parsons Sheldon Cooper Sheldon Cooper See fewer	The Big Bang Theory (2007)
Kaley Cuoco Penny Hofstadter Penny Hofstadter See fewer	The Big Bang Theory (2007)
Simon Helberg Howard Wolowitz Howard Wolowitz See fewer	Florence Foster Jenkins (2016)
Kunal Nayyar Raj Koothrappali Raj Koothrappali See fewer	The Big Bang Theory (2007)
Mayim Bialik Amy Farrah Fowler Amy Farrah Fowler See fewer	Beaches (1988)
Melissa Rauch Bernadette Rostenkowski Bernadette Rostenkowski See fewer	The Big Bang Theory (2007)
Kevin Sussman Stuart Bloom Stuart Bloom See fewer	Burn After Reading (2008)
Neil Gaiman Neil Gaiman Neil Gaiman See fewer	Good Omens (2019)
Lauren Lapkus Denise Denise See fewer	The Wrong Missy (2020)
Patrick Daniel Grant Grant See fewer	Good on Paper (2021)
T. Gene Hatcher Guy in Comic Book Store (uncredited) Guy in Comic Book Store (uncredited) See fewer	Bitch Ass (2022)
Natalie Kaufman Woman in Comic Book Store (uncredited) Woman in Comic Book Store (uncredited) See fewer	Never Surrender (2009)