Keyword Underground Civilization

A Victorian Englishman travels to the far future and finds that humanity has divided into two hostile species.

Aki isn’t a brave little boy, but he’s dedicated nonetheless to safeguarding his sickly, mute friend Fuyu. They and their little gang...

Four scientists and a newsman crash land on Mars and meet martians who act friendly.

Godzilla and Megalon battle each other in Japan.