A massive sea creature called "Dragonsaurus" suddenly appears, wreaking havoc in the ocean depths. To stop this new threat, Great Mazinger, Grendizer, and the Getter Robo G team unite. Their mission grows more difficult when Dragonsaurus devours Boss Borot and heads straight for Tokyo.

Grendizer, Getter Robo G, Great Mazinger: Decisive Battle! The Great Sea Monster
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Overview:
A massive sea creature called "Dragonsaurus" suddenly appears, wreaking havoc in the ocean depths. To stop this new threat, Great Mazinger, Grendizer, and the Getter Robo G team unite. Their mission grows more difficult when Dragonsaurus devours Boss Borot and heads straight for Tokyo.
Japanese: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
Aired:Jul 18, 1976
Duration:31m
Status:Released
Producers: Dynamic Planning, Toei Animation
Director:Masayuki Akehi
Country: Japan
Characters & Voice Actors

CharacterRyo Nagare
Voice ActorAkira Kamiya

CharacterKôji Kabuto
Voice ActorHiroya Ishimaru

CharacterHayato Jin
Voice ActorKeaton Yamada

CharacterDaisuke Umon / Duke Fleed
Voice ActorKei Tomiyama

CharacterTetsuya Tsurugi
Voice ActorKeiichi Noda

CharacterDr. Umon / Professor Yumi
Voice ActorJoji Yanami

CharacterMichiru Saotome
Voice ActorRihoko Yoshida

CharacterBoss
Voice ActorHiroshi Otake

CharacterDr. Saotome
Voice ActorKosei Tomita














