Slater is pleased when his younger sister J.B. arrives at Bayside, but his happiness is short-lived: she wants to date Zack.
Slater gets upset when his younger sister J.B. starts dating Zack before a 1950s Sock Hop at the Max, so he tries to break them up by setting up a double date for them with Tori and himself at the movies to prevent anything from happening. Meanwhile, Mr. Belding tries to help the boys get in touch with their male sensitivity by having them attend a "sensitivity class."—Anonymous