• 76%
    2.2k votes
  • Rate this episode
    What did you think?
PosterPoster

The Big Bang Theory: Season 12

12x15 The Donation Oscillation
TV-14

  • 2019-02-08T01:00:00Z on CBS
  • 21 mins
  • United States
  • English
  • Comedy

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.

Loading...