Kinnikuman: Counterattack! Hidden Space Superman
キン肉マン 逆襲!宇宙かくれ超人
Kinnikuman: Counterattack! Hidden Space Superman On Soap2Day. 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.
- Genre: Animation
- Country: Japan
- Director: Yasuo Yamayoshi
- Cast: Akira Kamiya, Minori Matsushima, Sanji Hase, Hiromi Tsuru, Chisato Nakajima, Hideyuki Tanaka, Kaneto Shiozawa, Hideyuki Hori, Keiko Yamamoto, Kazuhiko Kishino, Nana Yamaguchi, Eiji Kanie,