H.G. Wells' "Things To Come" (1936 Full Movie) | Summary: The story of a century—A decades-long second World War leaves plague and anarchy, then a rational state rebuilds civilization and attempts space travel!
The 27th Day (1957 Full Movie) | Pre-Summary: An alien from a dying planet brings five average people from England, Germany, China, the Soviet Union and the United States onto its spacecraft. They're told Earth can be saved of total destruction IF...
The Flying Saucer (1950 Full Movie) [Sci-Fi/Thriller] | SUMMARY: Both an American CIA agent, along with his Girl Friday, and a Russian KGB spy investigate UFO sightings in Alaska.