Kinnikuman: Gyakushuu! Uchuu Kakure Choujin is an anime film that premiered in summer 1985.

About the production: the story comes from a manga, the film runs about 39 minutes and its current status is "finished".

Its main genres are action, comedy and sports.

On AniList, Kinnikuman: Gyakushuu! Uchuu Kakure Choujin has an average score of 56%, an average score, and appears on 479 users' lists.

The franchise continues in or follows from: Kinnikuman: Seigi Choujin vs. Kodai Choujin and Kinnikuman: Haresugata! Seigi Choujin.

As the whole world watches the Choujin Rugby game on TV, the "Underground Space Emperor" Hydra King has his Underground Space Supermen kidnap Robin Mask. Their aim is to lure out the Justice Choujins and then attack them using the Robin Memo, which contains info on all of the Justice Choujin's weaknesses. Watching on TV all over the world, Kinnikuman and the Justice Choujins get together and head for Planet Hydra.

Official synopsis from AniList.