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★ 6.0 1976 31 min ActionAdventureAnimation

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What is Grendizer, Getter Robo G, Great Mazinger: Decisive Battle! The Great Sea Monster about?

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

Genres: Action, Adventure, Animation
Released: 1976-07-18
Director: Masayuki Akehi
Rating: ★ 6.0 / 10

Top cast

Akira Kamiya Ryo Nagare
Hiroya Ishimaru Kôji Kabuto
Keaton Yamada Hayato Jin
Kei Tomiyama Daisuke Umon / Duke Fleed
Keiichi Noda Tetsuya Tsurugi
Joji Yanami Dr. Umon / Professor Yumi

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