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 toward Tokyo.
(Source: ANN)
Characters & Voice Actors
![Boss](https://cdn.noitatnemucod.net/thumbnail/100x100/100/567a536141bf764943f90fc37b4fb3b2.jpg)
Boss
Main![Baroni, Gil](https://cdn.noitatnemucod.net/thumbnail/100x100/100/5d68e8c8d7effe3316bfc3f48cf88973.jpg)
Baroni, Gil
Italian![Fleed, Duke](https://cdn.noitatnemucod.net/thumbnail/100x100/100/f7f32ed9444049f0dcf60d5f44241818.jpg)
Fleed, Duke
Main![Tomiyama, Kei](https://cdn.noitatnemucod.net/thumbnail/100x100/100/cb88d3d4f371fe502102ccec5fb4d298.jpg)
Tomiyama, Kei
Japanese![Jin, Hayato](https://cdn.noitatnemucod.net/thumbnail/100x100/100/5ff07f8f5ed2466614fdce1671a6c5e7.jpg)
Jin, Hayato
Main![Yamada, Keaton](https://cdn.noitatnemucod.net/thumbnail/100x100/100/79dffbfa34ce83b1ec6e7c4d9987af0e.jpg)
Yamada, Keaton
Japanese![Kabuto, Kouji](https://cdn.noitatnemucod.net/thumbnail/100x100/100/58a241abda345e8376a71011b58463ec.jpg)
Kabuto, Kouji
Main![Ishimaru, Hiroya](https://cdn.noitatnemucod.net/thumbnail/100x100/100/501b7fc98cae38e01ca5090cf6870ebb.jpg)
Ishimaru, Hiroya
Japanese![Kurama, Benkei](https://cdn.noitatnemucod.net/thumbnail/100x100/100/8fea656d4163905ffe050efb554be7ca.jpg)
Kurama, Benkei
Main![Yanami, Jouji](https://cdn.noitatnemucod.net/thumbnail/100x100/100/37ec907693744d40092e98caf4ae24db.jpg)
Yanami, Jouji
Japanese![Nagare, Ryouma](https://cdn.noitatnemucod.net/thumbnail/100x100/100/834344a28c4a84f308fd864358fb5f7a.jpg)
Nagare, Ryouma
Main![Kamiya, Akira](https://cdn.noitatnemucod.net/thumbnail/100x100/100/417f37d03f01255fc8f4aaae61c244a0.jpg)
Kamiya, Akira
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