Littlefoot, an orphaned brontosaurus, sets out to search for the Great Valley, a faraway land where dinosaurs can coexist peacefully. On his journey, he encounters four dinosaurs, with whom Litllefoot embarks on an adventure fraught with peril while trying to survive.
Upon seeing two thieves making away with an egg, Littlefoot and his friends embark on a dicey journey to save the egg, but they end up causing damage to the Great Wall that encloses the Valley, undermining its safety.
As the residents in the Great Valley prepare for the Day of the Flyers, a day when the youngsters exhibit their flying skills, Petrie worries as he struggles with flying in group formations with his siblings; meanwhile, he befriends Guido, a newcomer to the Valley, who teaches him to embrace his...Read more uniqueness.
The dinosaur Littlefoot begins to learn a series of lessons called Wisdoms, following an accident that nearly killed his grandmother. Suddenly, three simple-minded dinosaurs arrive in the Great Valley and begin to act strangely, after which Littlefoot decides to embark on a journey to Berry Valley.