Morticia's school chum Trivia visits. Lurch is obviously smitten by her, but Trivia's interest is entirely in show business. Moticia decides to change Trivia's mind by making Lurch more exciting than show biz. She enlists others in the family to help, including Grandmama, whose love potion makes the biggest and wildest impact of all.
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.