AllMovie

New monsters and new weapons meet their match in an old adversary, Godzilla, in the Japanese science fiction spectacular. As the Japanese government tries to perfect new sources of energy, they discover that their longtime nemesis Godzilla is once again on the rampage, and new technology is needed to keep him at bay. Scientists respond with a gadget called the Dimension Tide, a device which can create a black hole whenever and wherever needed. However, while this device was intended to help ward off Godzilla, it ends up having an unfortunate side effect: A test of the Dimension Tide introduced to the Earth's ecosystem a strain of gigantic insects, who live in the sewers and emerge to wreck havoc. Can Godzilla help defeat the bizarre creatures brought to this planet through an attempt to finally destroy him?