The War of the Gargantuas (1966)
An experimental lab animal called a gargantua escapes from his captors and is suspected to be the creature that is killing people all over the countryside But when the gargantua from the lab appears at the same time as the evil garg
Ebirah, Horror of the Deep (1966)
A teen searching for his brother stows away on a criminals boat that shipwrecks on Letchi island, where terrorists have enslaved the Infant Island natives Discovering Godzilla asleep, they decide to awaken him to liberate the nativ
Matango (1963)
Shipwrecked survivors slowly transform into mushrooms