The Big Bang Theory

The Big Bang Theory 12x20 "The Decision Reverberation" Season 12 Episode 20 Promo - 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, on THE BIG BANG THEORY, Thursday, April 25th on CBS. Subscribe to tvpromosdb on Youtube for more The Big Bang Theory season 12 promos in HD!

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The Big Bang Theory 12x20 Promo/Preview "The Decision Reverberation"
The Big Bang Theory Season 12 Episode 20 Promo
The Big Bang Theory 12x20 Promo "The Decision Reverberation" (HD)

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» Watch The Big Bang Theory Thursdays at 8:00pm/7:00c on CBS
» Starring: Jim Parsons, Johnny Galecki, Kaley Cuoco, Simon Helberg

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