CINEVERSE
Season 8 · Episode 21

The Communication Deterioration

The Big Bang Theory artwork
Series artwork

Episode Details

Season
Season 8
Episode
21
Air date
2015-04-16

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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

5
S
Sara Erikson
as Gwen
K
Kelli Goss
as Chelsea
P
Phoebe Neidhardt
as Casting Assistant
J
Jeff Jingle
as Alien (voice)
M
Mark Maitre
as Alien #2 (voice)