Godzilla vs. Bionic Monster

A young architect discovers a cave near the town of Okinawa which contains a statue of a lion and wall paintings of monsters. According to legend, when the people of Okinawa are in danger, a monster will appear to save them.

An earthquake occurs and Godzilla suddenly appears, shocking the people of Tokyo with his unusual ferocity. The monster runs amok, and it is sooon discovered that this monster is in fact a robotic twin of Godzilla, created by aliens to destroy the world.

There is only one hope to save the planet - the statue of the lion can revive the mythical monster, King Caesar. In a destructive battle, King Caesar, joined by the real Godzilla, manages to defeat Mechagodzilla...