Janine's Day Off

Egon goes with Janine to see her relatives, while Peter, Winston and Ray have to deal with imps at the firehouse. But trouble starts when the Imps mere into a gigantic monster that rampages across New York, and Janine, Lois (the temp secretary) and Slimer have to deal with a trio of ghosts who find one of the Ghostbusters proton packs and start shooting up the already damaged Firehouse.