S01E19: My Old Man

An assortment of moms and dads descend on their offspring at home and in the workplace. J.D.'s father is a gregarious yet lonely divorcee who's desperately trying to be just one of the guys. Elliot's folks, on the other hand, are a snooty couple whose pompous behavior dismays their daughter. Similarly rattled is Turk, unnerved by the bonding of his girlfriend, Carla, and his brassy mother. But the most vexatious parent by far is the janitor's dad.