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The Big Bang Theory
7:00 pm - 7:30 pm Monday, October 26
The Donation Oscillation
Season 12 · Episode 15
Penny tries to put a stop to Leonard's plan to be a sperm donor for her ex-boyfriend Zack's wife. Howard, Bernadette, Anu and Raj make the most of the latter's cancelled stag party
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Cast & Crew
The Big Bang Theory Cast & Crew
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- Johnny Galecki — Actor as Leonard Hofstadter
- Jim Parsons — Actor as Sheldon Cooper
- Simon Helberg — Actor as Howard Wolowitz
- Kunal Nayyar — Actor as Raj Koothrappali
- Mayim Bialik — Actor as Amy Farrah Fowler
- Melissa Rauch — Actor as Bernadette Rostenkowski
- Kaley Cuoco — Actor as Penny Hofstadter
- Rati Gupta — Actor as Anu
- Keith Carradine — Actor as Wyatt
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