The cartoon features Hercules, the legendary hero, who dwells on Mount Olympus. When villains threaten the people of ancient Greece, he puts on a magic ring from which he gets his superpowers. When he puts it on, it is struck by flashes of lightning. Hercules is then endowed with super-strength and the ability to fly, and goes forth in brief episodes to do battle with nemeses such as Daedalus, an evil wizard who is the chief villain, as well as others such as Wilhemine the Sea Witch, and the Mask of Vulcan. Hercules has friends and allies such as Helena, his girlfriend; Prince (later King) Dorian; the boy centaur Newton, and Tewt, a boy satyr.
Hercules's voice actor was Jimmy Tapp. The series also featured a memorable theme song sung by Johnny Nash, whose lyrics went: