Zoids are a metallic lifeform from a far side of the Milky Way Galaxy. However, their planet was coming to an end. To promote their chance of survival, a warp was to take place to planet Earth. However, due to an unforseen Zoids factor, the warp took them through time and place to the 21st century. The resulting cataclysm shifted tectonic plants on Earth and reshaped the continents.
