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The Big Bang Theory Season 12 Episode 20

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Koothrappali is worried people won’t take him seriously in his own field after publishing a paper that suggests he may have discovered alien life. Also, Leonard wants to be the principal investigator on a plasma physics study.

Category: The Big Bang Theory, The Big Bang Theory Season 12

Actor: Kaley Cuoco, Johnny Galecki, Jim Parsons, Simon Helberg, Melissa Rauch, Kunal Nayyar, Mayim Bialik

Quality: HD 720p

Rating: 8.3/10




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