Ken Kuronuma
Varan the Unbelievable
In an effort to find an economic means of purifying salt water, a joint U.S.-Japanese military command is set up on an isolated Japanese island where an unusual salt water lake is situated. However, their purifying experiments arouse the prehistoric monster Obaki from hibernation at the lake's bottom, and it proceeds to attack Japan.
Daikaijû Baran
In an effort to find an economic means of purifying salt water, a joint U.S.-Japanese military command is set up on an isolated Japanese island where an unusual salt water lake is situated. However, their purifying experiments arouse the prehistoric monster Obaki from hibernation at the lake's bottom, and it proceeds to attack Japan.
Sora no daikaijû Radon
When a village is besieged by giant caterpillars, a more horrifying discovery is made in their underground home...a giant flying creature that resembles the prehistoric pterodactyl. Soon after, a second Rodan appears and the two monsters begin to destroy Japan.