3 Season
77 Episode
Ultimate Muscle: The Kinnikuman Legacy - Season 2 Episode 7 The Ultimate Challenge (2006)
After defeating Eskara The Kid is summoned back to Muscle Planet to test his Ultimate Muscle power! He is weak and is bruised from his battles and so is given the chance to fight the Gruesome Threesome (a group of wrestlers who got there name from what their victims looked like) to find alternative ways to win otherthen getting beaten up. But his Muscular foes won't be easy to overcome.
- Country : Japan
- Genre : Animation, Action & Adventure, Comedy, Family
- Studio : TV Tokyo
- Director :
- Cast : Konami Yoshida, Masaya Onosaka, Toshiyuki Morikawa, Takumi Yamazaki, Yasunori Masutani, Ai Nonaka