Counterattack! The Underground Space Choujin is the fourth theatrical film based on the anime series Kinnikuman. It was released in Japan on July 13, 1985 alongside Dr. Slump and Arale-chan Hoyoyo! Dream Capital Mecha Police, Captain Tsubasa Great Europe Play-Off, and Dengeki Sentai Changeman Shuttle Base Showdown. It is set after the Golden Mask Arc. It is the first film to feature the character Geronimo and the last film where Eiji Kanie supplies the voice of Ramenman.



