After their ship is damaged in a storm, the team ends up on an uncharted island. They soon discover the island is inhabited by a cyclops monster. Worst of all, Godzilla cannot reach them because of a force field guarding the island. The team must escape the island and somehow not let the creature escape and threaten the world.

The team discovers the island of the Sirens. The sirens imprison Captain Majors, Quinn, and Brock and put Godzilla to sleep. Pete and Godzuki must find a way to save the others and escape the island before it disappears at sunset for the next 1000 years.

A magnetic monster is threatening the South Pole. Godzilla and the team must destroy it before it reaches the Pole and destroys the world.