|"Revenge Of The Ghostmaster"
Season 4, Episode 17
Aired: Saturday December 16, 1989
Writer: Richard Mueller
The Ghostmaster surrounds the Ghostbusters with energy fields that shut off all power around them.
- Title Reference: Probably just a reference to the Ghostmaster coming back to take revenge on the Ghostbusters. Less likely a reference to "Revenge of the Nerds", a 1984 film about social life on a college campus starring Robert Carradine and Anthony Edwards.
- This is a 15 minute episode.