Season 4, Episode 9
Aired: Saturday November 18, 1989
Writer: Len Janson, Chuck Menville
Janine finds a magic mirror that transports Slimer and Louis to the Netherworld and an evil Slimer-look-alike into the firehouse.
- Title Reference: "Trading Places" is a 1983 film directed by John Landis, and starring Dan Aykroyd and Eddie Murphy. It tells the story of an upper class commodities broker and a homeless street hustler whose lives cross paths when they are unknowingly made part of an elaborate bet.
- This is a 15 minute episode.