CinemaOSMovie · 1976 · 0h 31m

Grendizer, Getter Robo G, Great Mazinger: Decisive Battle! The Great Sea Monster

60%(23)IMDbActionAdventureAnimation

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 towards Tokyo. Source: ANN

Directed byMasayuki Akehi

Play
Status
Released
Runtime
0h 31m
Language
JA
Released
July 18, 1976
Studios
Toei AnimationDynamic Planning

Watch the

Trailers & teasers

1 video
Grendizer, Getter Robo G, Great Mazinger: Decisive Battle! Great Sea Beast (1976) - Trailer

Grendizer, Getter Robo G, Great Mazinger: Decisive Battle! Great Sea Beast (1976) - Trailer

Featuring

Cast & crew

9 credited
Starring
Akira Kamiya

Akira Kamiya

Ryo Nagare

Hiroya Ishimaru

Hiroya Ishimaru

Kôji Kabuto

Keaton Yamada

Keaton Yamada

Hayato Jin

Kei Tomiyama

Kei Tomiyama

Daisuke Umon / Duke Fleed

Keiichi Noda

Keiichi Noda

Tetsuya Tsurugi

Joji Yanami

Joji Yanami

Dr. Umon / Professor Yumi

Rihoko Yoshida

Rihoko Yoshida

Michiru Saotome

Hiroshi Otake

Hiroshi Otake

Boss

Kosei Tomita

Kosei Tomita

Dr. Saotome

Creative team
Directed by
Masayuki Akehi
Written by
Susumu Takaku
Produced by
Chiaki Imada
Chiaki Imada

Keep watching

More like this

Mobile Suit SD Gundam5.4

Mobile Suit SD Gundam

1988 · Film

Flag Director's Edition: Issenman no Kufura no Kiroku6.0

Flag Director's Edition: Issenman no Kufura no Kiroku

2007 · Film

Mobile Suit Gundam AGE: Memory of Eden6.5

Mobile Suit Gundam AGE: Memory of Eden

2013 · Film

Jurassic Island1.0

Jurassic Island

2020 · Film

Code Geass: Rozé of the Recapture - Act 25.0

Code Geass: Rozé of the Recapture - Act 2

2024 · Film

Gamera vs. Zigra4.7

Gamera vs. Zigra

1971 · Film

Gamera vs. Jiger5.7

Gamera vs. Jiger

1970 · Film

Kaiju Decode

Kaiju Decode

2021 · Film

Gamera Super Monster4.9

Gamera Super Monster

1980 · Film

Code Geass: Akito the Exiled 4: Memories of Hatred6.1

Code Geass: Akito the Exiled 4: Memories of Hatred

2015 · Film

Code Geass: Akito the Exiled 3: The Brightness Falls6.4

Code Geass: Akito the Exiled 3: The Brightness Falls

2015 · Film

Ring of Gundam

Ring of Gundam

2009 · Film

All That Gundam5.5

All That Gundam

1989 · Film

30th Gundam Perfect Mission7.5

30th Gundam Perfect Mission

2009 · Film

The Magic Serpent6.4

The Magic Serpent

1966 · Film

King Kong vs. Godzilla6.6

King Kong vs. Godzilla

1963 · Film

Psalms of Planets Eureka Seven: Good Night, Sleep Tight, Young Lovers6.3

Psalms of Planets Eureka Seven: Good Night, Sleep Tight, Young Lovers

2009 · Film

Ragnarok4.7

Ragnarok

2015 · Film

Dancougar: Requiem for Victims6.0

Dancougar: Requiem for Victims

1986 · Film

Delpower X Bakuhatsu Miracle Genki!1.0

Delpower X Bakuhatsu Miracle Genki!

1986 · Film

Picked for you

Recommended movies

Mazinger Z: Infinity7.0

Mazinger Z: Infinity

2017 · Film

Mazinger Z vs The Great Dark General8.2

Mazinger Z vs The Great Dark General

1974 · Film

Godzilla vs. SpaceGodzilla6.7

Godzilla vs. SpaceGodzilla

1994 · Film

Godzilla vs. Megalon6.2

Godzilla vs. Megalon

1973 · Film

Code Geass: Lelouch of the Rebellion I - Initiation7.1

Code Geass: Lelouch of the Rebellion I - Initiation

2017 · Film

Godzilla vs. Kong7.5

Godzilla vs. Kong

2021 · Film

Pacific Rim7.0

Pacific Rim

2013 · Film

Code Geass: Akito the Exiled 4: Memories of Hatred6.1

Code Geass: Akito the Exiled 4: Memories of Hatred

2015 · Film

Kaiju No. 8: Mission Recon8.0

Kaiju No. 8: Mission Recon

2025 · Film

Gigantis, the Fire Monster6.4

Gigantis, the Fire Monster

1959 · Film

Code Geass: Akito the Exiled 3: The Brightness Falls6.4

Code Geass: Akito the Exiled 3: The Brightness Falls

2015 · Film

Godzilla: The Planet Eater6.5

Godzilla: The Planet Eater

2018 · Film

Transformers: Beginnings6.9

Transformers: Beginnings

2007 · Film

Monsters vs Aliens6.3

Monsters vs Aliens

2009 · Film

Code Geass: Akito the Exiled 2: The Wyvern Divided6.3

Code Geass: Akito the Exiled 2: The Wyvern Divided

2013 · Film

Patlabor 2: The Movie7.4

Patlabor 2: The Movie

1993 · Film

Godzilla vs. Mechagodzilla6.9

Godzilla vs. Mechagodzilla

1974 · Film

Godzilla vs. Mechagodzilla II7.3

Godzilla vs. Mechagodzilla II

1993 · Film

Gurren Lagann The Movie: Childhood's End7.6

Gurren Lagann The Movie: Childhood's End

2008 · Film

Godzilla 2000: Millennium6.9

Godzilla 2000: Millennium

1999 · Film