The Dinosaurs face off against John Rathbone, an unscrupulous big game hunter who captures rare, endangered animals and puts them on display in his private zoo. When the Endangered Ones try to put a stop to his operation, he adds them to his collection! The Dinosaurs must free Rathbone's menagerie and keep the Raptros from getting their claws on Rathbone's Biostasis Projector.