When a scientist (Peter Graves) uncovers an unbelievable alien plot to conquer Earth using giant insects and reptiles, he finds himself alone in a battle to save the world. But is Earth's technology enough to defend the planet from the evil Astronians from Astrol Delta?
When a scientist (Peter Graves) uncovers an unbelievable alien plot to conquer Earth using giant insects and reptiles, he finds himself alone in a battle to save the world. But is Earth's technology enough to defend the planet from the evil Astronians from Astrol Delta?
