Kinnikuman II Sei: Ultimate Muscle
Japanese title: キン肉マンII世 ULTIMATE MUSCLE
Alternative titles: Kinnikuman Nisei: Ultimate Muscle
Type: TV
Source: Manga
Episodes: 13
Status: Finished Airing
Aired: Apr 8, 2004 to Jul 1, 2004
Broadcast: Unknown
Duration: 24 min per ep
Rating: PG-13 - Teens 13 or older
Studios: Toei Animation
Licensors: Discotek Media
Genres: Comedy, Sci-Fi, Sports
Themes: Combat Sports

The Chojin Crown, the tournament which Mantaro (Kid Muscle) reluctantly participates in. After going along with the obstacles (most of which were created to try and eliminate him), he qualified.

(Source: Wikipedia)