The Green Slime subtitles. The Green Slime (ガンマー第3号 宇宙大作戦, Ganmā Daisan Gō: Uchū Daisakusen) is a 1968 science fiction film directed by Kinji Fukasaku and produced by Walter Manley and Ivan Reiner. Deadgar's Dark Coffin Classics Presents: Two space-station astronauts (Robert Horton, Richard Jaeckel) destroy an asteroid, then face monsters formed from viscous… A giant asteroid is heading toward Earth so some astronauts disembark from a nearby space station to blow it up. It was written by William Finger, Tom Rowe and Charles Sinclair from a story by Reiner. Alternate Versions Although "The Green Slime" was released in the U.S. as a 90 minute version, director Kinji Fukasaku and his editor prepared a much more tightly edited 77 minute version (called "Gamma III: Big Military Space Operation") for release in Japan. AKA: The Battle of Space Station Gamma, After the Destruction of Space Station Gamma: Big Military Operation, Battle Beyond the Stars, Death and the Green Slime, Gamma #3 Big Military Space Operation. The Green Slime are coming!.