UFO Robot Grendizer (UFOロボ グレンダイザー, Yūfō Robo Gurendaizā), also known as Grandizer, Goldrake and Goldorak, is a Japanese manga and animated television series created by Go Nagai. The series is the third entry in the Mazinger series, later relegated into a spinoff series. The series is produced by Toei Doga and Dynamic Planning, directed by Tomoharu Katsumata, and written by Shozo Uehara. It aired on Fuji TV from October 5, 1975, to February 27, 1977. The mecha's first appearance in the United States was as a part of the Shogun Warriors line of super robot toys imported in the late 1970s by Mattel, then in Jim Terry's Force Five series. A remake of the original anime series, Grendizer U, aired from July to September 2024.