In search of some adventure in their safe and peaceful valley, the five dinosaur friends make a hideaway. From there, they spot two thieves in action, stealing an egg from one of their broods. They chase them down and manage to recover the egg without its parents noticing, but in the process, accidentally create an opening into the valley, allowing two dreaded Sharptooths in. Everyone must fight them off together to preserve their peaceful way of life.

Littlefoot's grandfather is dreadfully ill and a golden flower is the only hope to cure him, but it lies within the land of the Mists so Littlefoot and his friends Cera, Ducky, Petrie, Spike and newcomer, Ali, journey through the mists to find it. Mayhem and danger await around every turn!

An orphaned brontosaurus named Littlefoot sets off in search of the legendary Great Valley. A land of lush vegetation where the dinosaurs can thrive and live in peace. Along the way he meets four other young dinosaurs, each one a different species, and they encounter several obstacles as they learn to work together in order to survive. Written by Scott Lane