Fester Goes on a Diet : Season 2 Episode 18

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.