Watch The Big Bang Theory Season 12 Episode 21 online via TV Fanatic with over 5 options to watch the The Big Bang Theory S12E21 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, and Google Play.

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Episode Details

On The Big Bang Theory Season 12 Episode 21, Kripke has proof that Dr. Pemberton plagiarized his thesis and Sheldon and Amy aren't sure if they should turn him in.

The Big Bang Theory
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