A young teenage boy sets out to find his missing father, only to discover that he's actually the mythical creature known as Bigfoot.

Follow up to Son of Bigfoot: Father uses his new fame to fight against an Alaska oil company but when he disappears the son, the mother, a raccoon and a bear head North to rescue him.

Grandpa tells Littlefoot about their mythical hero called the Lone Dinosaur. Sarah gets two little lively cousins to take care of. Later, the kids accidentally chip the lucky Saurus Rock, and need to fix it before the bad luck hits.