|"Guess What's Coming To Dinner"
Season 5, Episode 7
Aired: Saturday November 24, 1990
Writer: Jules Dennys
When the guys go on vacation, their firehouse is taken over by a family of ghosts.
- Title Reference: Guess Who's Coming to Dinner is a 1967 film starring Spencer Tracy, Sidney Poitier and Katharine Hepburn.
- The Grungy family are visually a reference to "The Simpsons", while their name is a reference to the Bundy family in "Married with Children."
- Among the ghosts that get out of the Containment Unit are the Mean Green Teen Machine from the episode of the same name.
- Scenes of ghosts chasing a kid, from "Slimer, Is That You?", are shown after the ghosts are let out of the Containment Unit.