Grendizer, Getter Robo G, Great Mazinger: Decisive Battle! The Great Sea Monster

A giant sea monster known as Dragonsaurus has emerged from out of nowhere, terrorizing the depths of the oceans. Great Mazinger, Grendizer and the Getter Robo G team join forces to combat the new threat. But their task becomes more complicated when Dragonsaurus swallows up Boss Borot and makes its way towards Tokyo. Source: ANN

• Masayuki AkehiDirector
• Susumu TakakuScreenplay

• Akira KamiyaRyo Nagare
• Hiroya IshimaruKôji Kabuto
• Keaton YamadaHayato Jin
• Kei TomiyamaDaisuke Umon / Duke Fleed
• Keiichi NodaTetsuya Tsurugi
• Joji YanamiDr. Umon / Professor Yumi
• Rihoko YoshidaMichiru Saotome
• Hiroshi OtakeBoss
• Kosei TomitaDr. Saotome