Doraemon: Nobita and the Steel Troops (ドラえもん のび太と鉄人兵団, Doraemon Nobita to Tetsujin Heidan) is a 1986 anime science fiction film based on the seventh volume of the same name of the Doraemon Long Stories series. The original plot was written by Fujiko F. Fujio. Alternate titles include The Platoon of Iron Men, or The Robot Army. The film pays homage to many anime series featuring giant robots or “mecha”, most notably Gundam and Mazinger. It’s the 7th Doraemon film.