Maciste and his people flee their volcano-ravaged island. They end up caught in between two warring tribes.
A robbery gone awry due to the death of the bandit leader has three of the robbers trying to obtain the loot. Word gets out and others join the scramble for the cash.
Gamera the Flying Turtle falls under the spell of evil aliens, but two children free him and he returns to fight the aliens' monster, Viras.
A warrior returning home to his country must battle giant bats, three-headed dogs and a vicious dragon to save his wife, and his people, from the machinations of an evil ruler.