The Big Bang Theory
The Roommate Transmogrification
S4 E24:
When Bernadette receives her Ph.D., the guys take joy in reminding an emasculated Wolowitz that he is the only one in their group who isn't a doctor. Meanwhile, Koothrappali becomes Sheldon's new roommate after hearing Leonard and Priya engaging in a Star Trek bedroom fantasy, on the fourth season finale.
Starring
Melissa Rauch, Aarti Mann, Mayim Bialik