sentences:  The films follow a friendship of a group of young dinosaurs by the names of Littlefoot (Apatosaurus), Cera (Triceratops), Petrie (Pteranodon), Ducky (Saurolophus), and Spike (Stegosaurus).After finding the Great Valley, they raise a carnivorous baby who they name Chomper, survive a drought, a cold snap, encounter aliens, and witness a solar eclipse.Throughout all films, they embark upon adventures, learning lessons about life and friendship along the way.