Kinnikuman II Sei: Muscle Ninjin Soudatsu sen! Choujin Daisensou
Japanese title: キン肉マンII世 マッスル人参争奪！ 超人大戦争
Type: Movie
Episodes: 1
Source: Manga
Genres: Action, Comedy, Drama, Romance
Studios: Toei Animation
Duration: 40 min
Rating: PG-13 - Teens 13 or older

In order to save a princess, Mantarou (Kid Muscle) and the gang must find a special ginseng. They are later joined by Kevin Mask.

(Source: Wikipedia)