The Big Bang Theory Season 12 Episode 15
22 minutes / Episode
2007
HD
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.
| Genres | Comedy |
|---|---|
| Casts | Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Melissa Rauch, Mayim Bialik |
| Creators | Chuck Lorre, Bill Prady |
