Jurassic Cops the Movie: The Dinosaur Age Adventures

In the peaceful Light City, Gong-chan and friends find unidentified merchants selling mini dinosaurs in front of the school. They are the villains who they thought were gone, Piggyback-dan! Using a time cube that can travel through time, the dinosaurs of the dinosaur age are brought to you by making mini-dinosaurs, and then they make them huge and attack the earth!