Great Mazinger vs. Getter Robo G: Kuuchuu Dai-Gekitotsu Anime Details and Episodes Go Nagai crossover movie. Series info Watch free DetailsFormatMovieStatusFinishedEpisodes1Duration25 minSeasonSummer 1975Score54/100CountryJapan GenresActionMechaSci-Fi TagsCrossoverSuper Robot RelatedGreat Mazinger tai Getter Robo (Prequel)Great Mazinger (Parent Story)Getter Robo G (Parent Story) RecommendationsGreat Mazinger tai Getter RoboGrendizer: Getter Robo G - Great Mazinger Kessen! Daikaijuu CharactersTetsuya TsurugiRyouma NagareHayato Jin (Supporting)Benkei Kuruma