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 Seigi Choujins and then attack them using the Robin Memo, which contains info on all of the Seigi Choujin's weaknesses. Watching on TV all over the world, Kinnikuman and the Seigi Choujins get together and head for Planet Hydra.
Unfortunately the movie Kinnikuman: Counterattack! Hidden Space Superman is not yet available on HBO Max.
Writing | Haruya Yamazaki | Screenplay |
Writing | Takashi Shimada | Comic Book |
Writing | Yoshinori Nakai | Comic Book |
Sound | Shin Kawabe | Original Music Composer |
Directing | Yasuo Yamayoshi | Director |