The Munsters - Season 2 Episode 22 Zombo
Overview: Eddie, an avid fan of ghoulish TV host Zombo, becomes the winner of the “Why I Like Zombo Contest” and gets to be on the Zombo show. Herman becomes jealous of Eddie’s new hero and wants to appear equally outlandish. But his efforts to impress his son fail. Eddie eventually learns that Zombo is not a real person but a phony character played by an actor.