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
Main
Baroni, Gil
Italian
Fleed, Duke
Main
Tomiyama, Kei
Japanese
Jin, Hayato
Main
Yamada, Keaton
Japanese
Kabuto, Kouji
Main
Ishimaru, Hiroya
Japanese
Kurama, Benkei
Main
Yanami, Jouji
Japanese
Nagare, Ryouma
Main
Kamiya, Akira
JapanesePromotion Videos
Recommended for you
Major S6
TV
24m
Psycho-Pass
TV
23m
Banana Fish
TV
22m
Major: World Series
OVA
28m
Katanagatari
TV
50m
Kuroko's Basketball 3
TV
24m
Attack on Titan: No Regrets
OVA
27m
From the New World
TV
22m
Steins;Gate: Egoistic Poriomania
Special
24m
Dr. Stone
TV
24m
Evangelion: 2.0 You Can (Not) Advance
Movie
112m
Fate/Zero
TV
28m
Kino's Journey
TV
24m
The King's Avatar (2018)
ONA
27m
Food Wars! Shokugeki no Soma
TV
25m
My Hero Academia 3
TV
23m