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

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Watch The Big Bang Theory season 8 episode 21 online for free at WatchSeriesLite. The guys clash about a message that could be used for contacting aliens. The Big Bang Theory is an American sitcom that stars Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Sara Gilbert, Melissa Rauch and Mayi…

Air Date: April 16, 2015

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