
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
| Release Date | July 18, 1976 | |
|---|---|---|
| Status | Released | |
| Original Title | 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 | |
| Runtime | 31min | |
| Budget | — | |
| Revenue | — | |
| Language | Japanese | |
| Original Language | Japanese | |
| Production Countries | Japan | |
| Production Companies | Dynamic PlanningToei Animation | |
