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.
After an asteroid draws an astronaut and his ship to its surface, he is miniaturized by the phantom planet's exotic atmosphere.
The most powerful heroes ever--Superman, Wonder Woman, Aquaman, Batman and Robin--join forces with teenagers Wendy and Marvin and their dog, Marvel the Wonderdog, to defend justice and guard the innocent.