Back to The Big Bang Theory
S12 · E15
The Big Bang Theory
The Donation Oscillation
Aired · 25 min
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."
- Aired
- Runtime
- 25 min
- Season
- 12
- Episode
- 15
- Rated
- TV-14