The Big Bang Theory 11×09 Promo “The Bitcoin Entanglement”

The Big Bang Theory 11×09 “The Bitcoin Entanglement” Season 11 Episode 9 Promo – Sheldon tries to teach the guys a lesson after they cut him out of a potentially valuable Bitcoin investment. Also, a seven-year-old video reveals a secret about Leonard and Penny’s relationship, on THE BIG BANG THEORY, Thursday, November 30th on CBS.

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