Kinnikuman: Seigi Choujin vs. Kodai Choujin
Genres: Action, Comedy, Sports
Type: Movie, Episodes: 1
Aired: Mar 16, 1985
Studio: Toei Animation
Source: Manga
Rating: PG-13 - Teens 13 or older
Synopsis:
While Kinnikuman is on vacation with Mari-san's kindergarten class at Easter Island, the young wheelchair-bound Kouichi-kun laments being with an idiot like Kinnikuman, preferring to instead be with his favorite Seigi Choujin Buffaloman. Meanwhile, the other Seigi Choujins are also vacationing at ancient landmarks.

(Source: Wikipedia)