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…

Ichiro Mizusawa, a player from Rukawa’s old junior high school, Tomigoaka, is diagnosed with a crippling leg condition and wants to play one last game with Rukawa. Hanamichi sets out…