the earth was attacked by unknown creatures. after investigation, it was an alien creature. it was a brutal complex dinosaur created by aliens using dinosaur gene recombination. the aliens wanted to occupy the earth. in order to defend the earth, blue cat and others were ordered to go to the dinosaur era to find the dinosaur genes. after coming to the dinosaur era, the rescued duck-billed dragon brought the blue cat and naughty to the dinosaur family. the dinosaur family regarded them as heroes and formed a deep friendship. with the help of the duck-billed salnado, the blue cat and his friends found the vegetable-eating dinosaur - the parasaurolophus, the family of the parasaurolophus, on a stormy night. tyrannosaurus rex is very lonely in the dinosaur family because he is good at killing and has a bad temper. the blue cat rescues the little dinosaurs killed by tyrannosaurus rex again and again. it was not until a large mudslide disaster that the tyrannosaurus rex was in danger, and the blue cat and others sacrificed their lives to rescue him. the tyrannosaurus rex was moved. it turned out that he was a wanderer and had been rejected by his kind since he was a child. when the blue cat and his friends gave him care, he was moved... a new investigation mission has come. under the leadership of the knowledgeable tyrannosaurus rex, the blue cat investigation team entered a new area and encountered the tyrannosaurus rex... eee