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!
| Writer | John Loy |
|---|---|
| Director | Charles Grosvenor |
| Actor | Thomas Dekker, Kenneth Mars, Anndi McAfee |
| Country | South Korea |
| Production | Universal Cartoon Studios |