A mysterious spacecraft enters orbit just beyond Earth's moon and launches three pods toward the planet's surface. One of the pods is intercepted by the WINR team who determine its extraterrestrial composition is similar to certain Earth insects.

While WINR tries to ascertain the implications of the recent Baltan attack and the appearance of the silver and red giant, farmers in a rural community begin reporting that their cattle have been disappearing. WINR launches the Mobile Transport Carrier (MTC), their large roving command center and discovers that the animal disappearances are being caused by a creature burrowing under the ground.

A documentary film crew working in South America has discovered a place where gigantic, prehistoric monsters freely roam the land as they did millions of years ago. When the crew's gear mysteriously disappears along with their only method of calling for aid, WINR comes to the rescue.

A pair of seismologists working in a remote cavern have detected unusual underground activity. Theresa Beck & Kenichi Kai are sent to investigate and Kai disappears when another tremor rocks the cavern. While Beck tries to console herself for losing Kai, the rest of the WINR team has determined that the seismic activity is being caused by a strange object moving underground toward the city.

An energy company has been tracking what they believe to be a moving underground uranium mine. Mr. Keins, the head of the company comes to WINR after one of his drivers is seemingly swallowed by the ground itself. WINR arrives at the site where the company plans to blast open the uranium mine with dynamite. However, instead of a mine, they end up bringing a giant monster called Gabora (who isn't referred by the name) to the surface.