The story takes place in a world where superheroes are known as "heroes" and are celebrated for their bravery and strength. Kinnikuman, a hero from the planet Kinniku, arrives on Earth to fight against the evil forces of the Chojin, a group of powerful beings from another planet.

If you enjoy action-comedy anime series with lovable characters and engaging storylines, then Ultimate Muscle is a great choice. Fans of other popular anime series like "Dragon Ball," "Naruto," and "One Piece" may also enjoy this series.

All 51 episodes available for free viewing