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The Big Bang Theory: Season 12

12x15 The Donation Oscillation
TV-14

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  • 2019-02-08T01:00:00Z on CBS
  • 21 mins
  • Mark Cendrowski
  • United States
  • English
  • Comedy
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Penny tries to seduce an abstaining Leonard to ruin his "donation" for her ex-boyfriend, Zack, and his wife, Marissa. Also, Wolowitz, Bernadette, Anu and Koothrappali turn Koothrappali's canceled bachelor party into a couple’s trip aboard the "vomit comet."

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