Join Buddy, the Pteranodon family, and all their Theropod friends in a four-part adventure as they travel on the Dinosaur Train to Laramidia for the Theropod Convention. Once they arrive at the convention, the kids reunite with Annie Tyrannosaurus and her parents, Delores and Boris. They all meet the multi-horned, Mayor Kosmoceratops, and then Buddy and Tiny help King Cryolophosaurus overcome his fear of performing in front of his biggest audience ever!