Xander falls for a beautiful substitute teacher who is actually a She-Mantis intent on mating with, then decapitating, virginal boys.
Diane can't conceal her scorn for Sam's parade of beautiful, yet shallow dates, and puts him on the defensive about his taste in females.
Sam steps in as a mediator between the bickering Carla and Diane.
Inebriated for the first time in his life, a timid young priest-to-be makes an amorous advance towards Diane and concludes he's not fit for the monastery. However, Sam finds a unique way to convince him otherwise.
An Englishman visits Cheers and tells tall tales of being a WWII spy.
