The Big Bang Theory Season 12 Episode 15
The Donation Oscillation
Episode Description: The Donation Oscillation
The Big Bang Theory Season 12 Episode 15 Watch Online - 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.
