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.Varan the Unbelievable featuring Myron Healey and Koreya Senda is streaming with subscription on Prime Video, and available for rent or purchase on Prime Video. It's a Horror and Science Fiction movie with a less than average IMDb audience rating of 4.9 (636 votes).