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The Big Bang Theory - Season 12 Episode 15
Watch TV Shows The Big Bang Theory 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.
- Year: 2019
- Country: United States of America
- Genre: Comedy
- Studio: CBS
- Director: Chuck Lorre, Bill Prady
- Cast: Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Melissa Rauch