The Office of Scientific Investigations tracks down the source of increased magnetism and radioactivity in Los Angeles, and discovers that a man-made isotope is consuming available energy from nearby mass every few hours, doubling its size in the process. Although … Richard Carlson, King Donovan, Leo Britt, Jean Byron, Harry Ellerbe, Frank Gerstle, John Vosper Added on Amazon Prime 2023-07-23. Youtube Trailer

A small-town doctor learns that the population of his community is being replaced by emotionless alien duplicates. Kevin McCarthy, Dana Wynter, King Donovan, Carolyn Jones, Larry Gates, Kenneth Patterson, Virginia Christine Added on Amazon Prime 2023-02-05. Youtube Trailer