Guest Star: Kal Penn
Kal Penn is an American actor best known for his roles on the TV shows House and Designated Survivor, and for the film series Harold & Kumar.
The Confirmation Polarization
Season 12, Episode 13 - Aired January 17, 2019
When Sheldon and Amy’s super asymmetry theory is proven by two physicists, Dr. Pemberton and Dr. Campbell from Chicago, they’re thrilled, until they try to kick Amy off the Nobel nomination. Also, Bernadette has a big success at work and Penny’s going to be a part of it – whether she wants to or not.
Appeared as Dr. Campbell