The continuing adventures of paranormal investigators Dr. Peter Venkman, Dr. Egon Spengler, Dr. Ray Stantz, Winston Zeddemore, their secretary Janine Melnitz and their mascot ghost Slimer.

Yogi and the gang mistakenly board the famous Howard Hughes’ plane The Spruce Goose. They accidentally start the plane, so they decide to take it for a spin, helping animals…