Grendizer, Getter Robo G, Great Mazinger: Decisive Battle! The Great Sea Monster
Directed by Masayuki AkehiWhen a mysterious gigantic monster, called Dragosaur, appears from the depth of the oceans and threatens the world, a team of super-robots from Japan is activated and sent out to defeat it: Grendizer, The Great Mazinger and Getter G.
Where to Watch Grendizer, Getter Robo G, Great Mazinger: Decisive Battle! The Great Sea Monster
Cast of Grendizer, Getter Robo G, Great Mazinger: Decisive Battle! The Great Sea Monster
