The Big Bang Theory

The Hot Tub Contamination

Aired Oct 17, 2016 · 8:00 PM ET · 25 min

Leonard and Penny must separate a quarreling Sheldon and Amy when their cohabitation does not go as planned, and Sheldon threatens to break off their relationship when Amy refuses to adhere to the bathroom schedule. Also, Howard and Bernadette find unexpected guests at their house when they decide to stay home from a planned vacation.