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

Overview: 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

Status: Released

Release date: July 18, 1976

Countries of origin: Japan,

IMDB: