Everybody's favourite prehistoric pals are back! Join Littlefoot, Cera, Spike, Ducky and Petrie in this delightful, all-new, feature-length movie. The enchanting tale continues in the beautiful, peaceful Great Valley where Littlefoot and his plant-eating friends live and play under the watchful eyes of their parents. But when mischievous Cera coaxes the group into the forbidden "Mysterious Beyond", they soon find themselves in big trouble! The excitement begins when they encounter two egg-snatching struthiomimuses named Ozzie and Strut, a thundering landslide, a pair of ferocious Sharpteeth, and most amazing of all, a mysterious egg that's just about to hatch!