Where To Stream The Big Bang Theory Season 12 Episode 15
The Donation Oscillation
- Aired February 7, 2019
- 30 Min
- Rated 7.0
- Number 226 Of 279 Rated Episodes
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".