Grendizer, Getter Robo G, Great Mazinger: Decisive Battle! The Great Sea Monster (movie)
グレンダイザー・ゲッターロボＧ・グレートマジンガー 決戦！大海獣- User score: 6.1
- Production country: Japan
- Producer: Masayuki Akehi
- Production companies: Dynamic Planning, Toei Animation
- Genre: Action, Adventure, Animation
- Release date: 7/18/1976
- Run time: 31 min.
Movie description
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
