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

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.

NameThe Big Bang Theory Season 8 Episode 21: The Communication Deterioration
Air DateApril 16th, 2015
GenreComedy
NetworkCBS
Production CompaniesChuck Lorre Productions, Warner Bros. Television
DirectorMark Cendrowski
Guest StarsSara Erikson, Kelli Goss, Phoebe Neidhardt, Jeff Jingle, Mark Maitre
Plot Keywordsnerd, geek, friends, scientist, science, sitcom
Jim Parsons
Jim Parsons
Sheldon Cooper
Johnny Galecki
Johnny Galecki
Leonard Hofstadter
Kaley Cuoco
Kaley Cuoco
Penny
Simon Helberg
Simon Helberg
Howard Wolowitz
Kunal Nayyar
Kunal Nayyar
Rajesh Koothrappali
Mayim Bialik
Mayim Bialik
Amy Farrah Fowler
Melissa Rauch
Melissa Rauch
Bernadette Rostenkowski

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