Grendizer: Getter Robo G - Great Mazinger Kessen! Daikaijuu

A colossal sea creature named Dragonsaurus has suddenly surfaced, wreaking havoc beneath the waves and posing a significant danger to humanity. In response to this unprecedented threat, the formidable trio of Great Mazinger, Grendizer, and the Getter Robo G team unite their strengths to confront the monstrous menace. However, their mission takes a dire turn when Dragonsaurus captures Boss Borot, making its way toward the bustling city of Tokyo.

As the heroes strategize to thwart the advancing danger, the stakes rise, and their camaraderie is put to the test. The battle against Dragonsaurus not only showcases their incredible mecha capabilities but also explores the themes of teamwork and resilience in the face of overwhelming odds.