Not Now, Slimer! (S07E02)

The Ghostbusters have reached their limit with Slimer's incessant antics and finally lose their patience with him. Feeling dejected, he retreats to the attic just as the team receives a distress call for a new mission. Meanwhile, a formidable ghost approaches the firehouse, intent on wreaking havoc. Surprisingly, it's the downcast Slimer who ends up being the unexpected hero, standing guard as the final barrier against the impending threat!