Season 4, Episode 18
Aired: Saturday December 16, 1989
Writer: Pat Allee, Ben Hurst
A trap that Slimer dropped is leaking and causing machines across town to come to life.
- Title Reference: Likely a reference to when it's said that someone "has a screw loose", which means that they are crazy. Less likely a reference to the 1985 teen sex comedy "Loose Screws" (sometimes called "Screwballs II: Loose Screws").
- This is a 15 minute episode.