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The Horror, The Horror!

"The Bitcoin Entanglement"[1] is the ninth episode of the eleventh season of the American sitcom The Big Bang Theory. The episode will air on November 30, 2017.


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.[2]

Extended Plot

The guys find a laptop which has some virtual bitcoin currency on it. The computer belongs to Penny's old boyfriend Zack.



  • Title Reference: To be entered.
  • Taping date: October 31, 2017
  • This episode was watched by xx.xx million people with a rating of xx.xx (adults 18-49).
  • Total viewers including DVR users xx.x million.
  • The Big Bang Theory was ranked #x for the week ending xx November 2017.
  • This episode aired in Canada on November, 2017.


To be entered.


  • Zack returns in this episode, his most recent episode being "The Cognition Regeneration".
  • Zack returns for the second time for a flashback scene.
  • Bitcoin: a type of digital currency in which encryption techniques are used to regulate the generation of units of currency and verify the transfer of funds, operating independently of a central bank.
  • This episode will likely include a flashback to 2010.


To be entered.



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