65 million years ago, the evil Dragozaurs invaded earth to steal all the "life spirit" and destroy the world. The dinosaurs defeated the Dragozaurs, but the process led to the dinosaurs' total extinction. Today, the Dragozaurs are back to wreak havoc. The ancient dinosaurs displayed in museums are brought back to life as Dinozaurs to protect the Earth, and with the help of some chosen kids, the Dinozaurs battle back!