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The Big Bang Theory
The Donation Oscillation
E15 Feb 6, 2019 22m TV-PG
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.
Where to Watch The Donation Oscillation
Cast of The Donation Oscillation