From his home in Jellystone Park, Yogi Bear dreams of nothing more in life than to outwit as many unsuspecting tourists as he can and grab their prized picnic baskets all while staying one step ahead of the ever-exasperated Ranger Smith. Yogi's little buddy, Boo-Boo, tries to keep Yogi out of trouble but rarely succeeds. That's okay because not even Ranger Smith can stay mad for long at the lovable, irresistible Yogi Bear.
Follows the adventures of Mike Mercury and the test crew at Black Rock Laboratory in the Nevada Desert in 1962, as they test out Supercar, a prototype vehicle capable of traveling on land, can dive underwater, and can fly through the air.