The amazing 1980s cartoon, which came in the heyday of Rankin/Bass Productions, ran for four seasons and 130 episodes. It featured Lion-O leading his tribe on Third Earth after fleeing Thundera.

The cartoon blends fantasy with science fiction ... Thundera before crash-landing on Third Earth. The team is led by Lion-O in their fight against the evil sorcerer Mumm-Ra and the mutants he ...