On the distant edge of the Great Valley stands mysterious Saurus Rock, and twin baby Threehorns, Dinah and Dana, have run away to find it. It's up to Littlefoot, Cera, Spike, Ducky, and Petrie to bring them back! The Land Before Time VI: The Secret of Saurus Rock is a fantastic adventure filled with fun songs, humor, excitement...and mystery! Legends claim that Saurus Rock keeps bad luck out of the Great Valley. Is it really true? Could the mysterious Longneck named Doc be the famous Lone Dinosaur, who can defeat a Sharptooth with his lasso-like tail? To find out, Littlefoot and company must cross the Great Valley and face a dangerous Sharptooth themselves! Along the way, the young dinosaurs learn about change, acceptance and responsibility. If you look close enough, sometimes you can find a hero living right in your own family!