Sam Hilliard, a truant officer, shows up at the Addams family home, due to the fact that Pugsley and Wednesday are not attending school. Soon he discovers he's dealing with no typical everyday family.

Pugsley and Wednesday get into a fight over families with their friend Harold, who says that his family is better than theirs.

For his impending visit from pen pal Yvette of the Folies Bregeré, Uncle Fester is secretly trying to whip himself into shape, even recruiting guidance from fitness guru Jack LaLanne himself. With all the sudden dieting and exercise going on, Morticia and Gomez know something's up but think Fester's trying to join the space program.