Evil Slimer & Sandman: After feeling brushed off and ignored by the guys, Slimer is unfortunately possessed by a gaseous leak from a faulty pipe on the containment unit, causing him to change in physical appearance and attitude.

All over New York, people are falling asleep and their dreams are becoming reality. The Ghostbusters must stay awake long enough to deal with a rogue Sandman with evil plans to rule the world while everyone slumbers.