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.

Defenders of the Earth is an American animated television series produced in 1986, featuring characters from three comic strips distributed by King Features Syndicate—Flash Gordon, The Phantom, and Mandrake the…