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Godzilla vs. the Sea Monster (1966)

Gojira, Ebirâ, Mosura: Nankai no daiketto (original title)
PG | | Action, Adventure, Comedy | 1969 (USA)
A young man steals a boat to find his brother, but he and his shipmates become shipwrecked on a mysterious island inhabited by a giant sea monster and a slumbering Godzilla.



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Cast overview, first billed only:
Akira Takarada ...
Kumi Mizuno ...
Chôtarô Tôgin ...
Hideo Sunazuka ...
Tôru Ibuki ...
Yata Kane
Akihiko Hirata ...
Captain Yamoto
Jun Tazaki ...
Red Bamboo Commander
Tôru Watanabe ...
Ryôta Kane
Ikio Sawamura ...
Elderly Slave
Pair Bambi ...
Mothra's Little Beauties
Hideyo Amamoto ...
Red Bamboo Naval Officer
Hisaya Itô ...
Red Bamboo Scientist #1
Tadashi Okabe ...
Red Bamboo Scientist #2
Kazuo Suzuki ...
Escaped Slave
Escaped Slave


Some teenagers want to obtain a boat to find a brother. When they look around a boat without permission, they find a thief who takes them on his escape. They are caught in a storm and arrive at Letchi Island where natives of Infant Island have been enslaved by the terrorist organisation Red Bamboo. Red Bamboo runs a heavy water factory to process a juice which holds off the monster, Ebirah, which otherwise traps them on the island. The young men meet beautiful but tough Daiyo and wake up Godzilla to put an end to the Red Bamboo. Written by Scott Hutchins <scottandrewh@home.com>

Plot Summary | Add Synopsis

Plot Keywords:

island | boat | godzilla | monster | mothra | See All (35) »


This is one lobster you don't want to order!

Motion Picture Rating (MPAA)

Rated PG for sci-fi monster violence | See all certifications »

Parents Guide:





Release Date:

1969 (USA)  »

Also Known As:

Godzilla vs. the Sea Monster  »

Box Office


$1,200,000 (estimated)

Company Credits

Production Co:

Show detailed on  »

Technical Specs


Sound Mix:



Aspect Ratio:

2.35 : 1
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Did You Know?


Contrary to popular belief, the adult Mothra that appeared in this film is not the adult Mothra from Mothra vs. Godzilla (1964). It was the one metamorphosed from one of the larvae Mothras that appeared in Mothra vs. Godzilla (1964) and Ghidorah, the Three-Headed Monster (1964). See more »


At the end, as Mothra flies back to her island, the basket she's carrying with the humans inside is missing. See more »


Ichino: Is breaking in really that easy?
Yoshimura: Only amateurs think that.
See more »

Crazy Credits

For the Columbia/Tri-Star U.S. DVD release, which uses the original uncut Japanese version, the English language credits list the noted composer Masaru Sato as "Mararu Sato." See more »


Followed by Godzilla vs. Gigan (1972) See more »


Samashite Mosura
(Mothra Awake)
Written and Arranged by Masaru Satô
Performed by Pair Bambi
See more »

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User Reviews

The Red Bamboo
20 February 2011 | by (Buffalo, New York) – See all my reviews

Of all the Japanese monster films that came out from the mid Fifties to the mid Seventies, Godzilla Versus The Sea Monster is the only one that seems to have taken a political stand on anything. The Japanese for obvious reasons are big on nuclear disarmament. This film involves Godzilla and two other giant monsters involved with the Red Bamboo who are a group conducting nuclear experiments on a deserted south sea island. Of course there was no such a group as the Red Bamboo, but the power across the Sea of Japan did have a Red Guard who were pretty active in those days. I think that was another political statement that Godzilla Versus The Sea Monster was making.

Anyway some 20 somethings who were involved in a dance marathon which opened the film, commandeer a boat that was to be the getaway vehicle of a bank robber to search for the brother of one of them who set sail southeast and was not heard from.

It's there that a storm washes them ashore on the island of the Red Bamboo. These dastardly folks are not only conducting nuclear experiments, they're making heavy water to use as nuclear fuel, but are using slave labor. The slaves are being taken from the island that Mothra resides, but he's sleeping and the natives are doing their best to arouse their friend and protector.

To discourage escape in the meantime, the island is guarded by Ebirah a giant lobster monster. The Red Bamboo controls him by means of the nectar of some exotic tropical fruit that acts as a tranquilizer.

When our heroes arrive, they discover that Godzilla is in some kind of coma asleep on the island. Needing an ally they look to get him awake to start doing his thing. Of course all three monsters battle it out in the end.

This particular all star monster spectacular is a cut above the others for its political statement wrapped up in the dopey way these films play. But I have to admit a soft spot in my heart for them.

5 of 5 people found this review helpful.  Was this review helpful to you?

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