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The Big Bang Theory S8E21 poster

Watch The Big Bang Theory – Season 8 Episode 21: The Communication Deterioration

The Big Bang Theory • Season 8, Episode 21 • 19 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 – S8E21

Episode Overview

When Raj is asked to create a message in case a NASA mission discovers alien life, the guys fight over what he should do. Also, Penny is torn between auditioning for a movie or keeping her successful pharmaceutical sales job.

Episode Navigation

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