Furankenshutain no kaijû: Sanda tai Gaira

A freighter is attacked by a giant octopus during a stormy night. The octopus is then attacked buy a hairy green giant. The gargantua then turns his attention to the ship and sinks it killing and eating all the crew except for one. When the surviving crew member tells the police what happened, they call in Doctor Paul Stewart and his assistant Akemi. Several years earlier, Stewart had a younger species of the same creature and it is feared that the monster has grown up and now views man as an enemy. After several attacks, the monster is cornered in a forest in a mountain area of Japan, and is nearly killed when shot with lasers and nearly electrocuted. Just before it dies a second, bigger brown monster arrives and saves it. This is the creature that Stewart had at his lab now all grown up to over 100 feet tall. The brown one then takes the green monster away to help it recover, not knowing his "brother's" evil nature. The army then dubs the brown monster Sanda and the green one Gaira. After the green monster recovers sufficiently, he resumes his rampage. But when he stops to rest, the brown one finds out how evil his brother is and soon the two begin to fight. The green one then runs off and soon heads for Tokyo. Stewart and Akemi must now try to save Sanda before the army kills him along with his evil brother.

Genre(s) : Action,Horror,Sci-Fi

Aka(s) :
(original title) - Furankenshutain no kaijû: Sanda tai Gaira
Duel of the Gargantuas
Adventure of Gargantuas
Frankenstein's Monsters: Sanda vs. Gailah
Frankenstein's Monsters: Sanda vs. Gaira(literal English title)
Sanda vs. Gailah

Belgium - De oorlog der monsters
Belgium - La guerre des monstres
Brazil - A Invasão dos Gargântuas
Canada - The War of the Gargantuas
Canada - La Guerre des Monstres
Denmark - Kæmpeabernes sidste kamp
Finland - Frankenstein hyökkää
France - La Guerre des monstres
France - Les Monstres des planètes secrètes
Greece - O polemos ton gargantuas
Greece - Ο πόλεμος των Γκαργκαντούα
Italy - Katango
Italy - Kong - Uragano sulla metropoli
Japan - フランケンシュタインの怪獣 サンダ対ガイラ
Mexico - La guerra de los gargantúas
Netherlands - Katango's War
Poland - Pojedynek potworów
Poland - Pojedynek potworów
Portugal - A Guerra dos Gargântuas
Soviet Union - Чудовища Франкенштейна: Санда против Гайры
Spain - La batalla de los simios gigantes
Sweden - King Kongarnas krig
Turkey - Canavarlar Savaşı
Turkey - Denizden gelen canavar
United Kingdom - Duel of the Gargantuas
United States - The War of the Gargantuas
West Germany - Frankenstein - Zweikampf der Giganten

Actors :
Russ Tamblyn Dr Paul Stewart (as Rasu Tanburin)
Kumi Mizuno Akemi Togawa
Kenji Sahara Dr Yuzo Majida
Nobuo Nakamura Dr Kita
Jun Tazaki General
Hisaya Itô Police Chief
Yoshifumi Tajima Police Officer
Ren Yamamoto Sailor
Kipp Hamilton Singer
Kôzô Nomura General's Aide
Nadao Kirino Soldier
Shôichi Hirose Soldier
Tadashi Okabe Defiant Reporter
Hideo Shibuya Skeptical Reporter
Yoshio Katsube Reporter
Yutaka Oka Reporter
Ikio Sawamura Fisherman #1
Seishirô Kuno Fisherman #2
Someshô Matsumoto Official
Gorô Mutsumi Dr Paul Stewart (voice)
Yû Fujiki
Bin Furuya Coast Guard Staff
Shigeo Katô JSDF Member
Akio Kusama Self Defense Force Executive
Haruo Nakajima Gaira
Yû Sekita Sanda
Keiichirô Katsumoto Haneda Airport Evacuee /Maritime Self-Defense Force Chief of Staff
Eisaburo Komatsu Hiker
Keiji Sakakida Beer Garden Customer /Villager Evacuee
Haruya Sakamoto Officer B
Kôichi Satô Self - Defense Force Member
Masaaki Tachibana News Reporter
Kamayuki Tsubono
Shirô Tsuchiya Ground Self-Defense Force Chief of Staff
Mitsuo Tsuda Officer C
Sôji Ubukata Haneda Airport Refugee /Director of Defense Agency /Doctor