Ghostbusters - Season 1 Episode 61 Back To The Past So much fun it's spooky!
Overview: An evil witch named Sassella arrives at the Hauntquarters claiming that she will scare the Ghostbusters into another line of business by transforming them into five-year olds. The original Ghostbusters once again rush to their sons' rescue with a horde of Prime Evil's ghosts standing in their way.