H.R. Pufnstuf (1969)

Season 1: Episode 7

Its Jimmy's birthday and Pufnstuf throw's him a party. The witch and her two henchmen arrive disguised as the music group The Three Lemons and blow laughing gas making everyone laugh themselves uncurious then the witch takes Freddy back to the castle. Orson accidentally gases himself and falls face first into a plate of candy making him look like he has Spotidious. The gang use this ploy to gain entrance to the castle and rescue Freddy.