In this animated children's film from Amblin Entertainment, a group of four dinosaurs, including a tyrannosaurus rex, a triceratops, a hadrosaur, and a pterodactyl, are brought forward in time to New York City to entertain and befriend the children. However, when the dinosaurs are threatened by an evil circus owner, it is up to their young friends to save the day. ~ Iotis Erlewine, All Movie Guide