Spike, Fonzie's little cousin, takes Joanie out on her first date. Richie and his date act as Joanie and Spike's chaperones and discover them missing at the movie theater.

Richie, Potsie, and Ralph need new uniforms for their baseball team and want to get a big celebrity to play the title role in their upcomming fundraiser production of Hamlet. When they can't get a big name to play the part, Fonzie agrees to do it.