CINEVERSE
Season 11 · Episode 21

The Comet Polarization

The Big Bang Theory artwork
Series artwork

Episode Details

Season
Season 11
Episode
21
Air date
2018-04-19

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Plot

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Main Cast

7
Jim Parsons
as Sheldon Cooper
Kaley Cuoco
as Penny
Johnny Galecki
as Leonard Hofstadter
Simon Helberg
as Howard Wolowitz
Kunal Nayyar
as Rajesh
Melissa Rauch
as Bernadette Rostenkowski-Wolowitz
Mayim Bialik
as Amy Farrah Fowler

Guest Stars

4
K
Kevin Sussman
as Stuart Bloom
N
Neil Gaiman
as Neil Gaiman
P
Patrick Daniel
as Grant
L
Lauren Lapkus
as Denise