Wani ɗan gajeren manga na UFO Robo Grendizer anime. An sake shi tare da jerin wasan kwaikwayo, UFO Robot Grendizer ya biyo bayan abubuwan da suka faru na Duke Fleed, basaraken Planet Fleed, wanda, ya yi kamanni da Daisuke, ma'aikacin gona, ya yi yaƙi da sojojin da suka lalata duniyarsa, Daular Vegan, da kuma masu kirkirar Grendizer cewa Duke ya sata don yaƙar su. Duk da cewa ba asali bane aka dauki wani bangare na jerin Mazinger, Koji Kabuto da Mazinger mechas sun fito a cikin wannan jerin, suna mai da shi wani tsari. Grendizer ya gabatar da manufar mutum-mutumi mai canzawa da sararin samaniya, ra'ayoyin da daga baya aka dauke su zuwa wasu jerin mecha. Ya shahara sosai a Japan, Kanada, Faransa, Italiya, da Larabawa kuma yana da ƙaƙƙarfan mabiya a waɗannan ƙasashen har ma a yau.
