"Il Treno dei Dinosauri" is based on the American animated series "Dinosaur Train," produced by Jim Henson Productions. The show follows the adventures of a group of dinosaurs who travel on a train through time, exploring different eras of the Mesozoic Era. The main characters include Buddy, a Tyrannosaurus Rex who is adopted by a family of Pteranodons, and his friends, who come from various dinosaur species. Each episode typically features the friends visiting a new time period, learning about different dinosaurs, and facing challenges along the way.