The alien invasion film appeared in the United States in the early 1950s, coinciding with the Soviet Union’s shift from a wartime ally of
to a nuclear-armed international rival. In “The Horror Film: An Introduction,”
Rick Worland estimates that the alien invasion film as began. Whatever the
precise moment to inspire this sub-genre was, it clearly coincided with the
rising fears of a nuclear war and a technologically superior enemy. America
Alien invasion arrived on American movie screens in 1951 with two films that explored the possibilities of the unknown; in one they would arrive in peace, while the other with only destructive motives. The Day the Earth Stood Still (1951) presented a superior intelligence, though they arrive with a positive message for humanity to learn from. In the other alien invasion film of 1951, “Dracula became a blood-sucking vegetable from outer space in The Thing from Another World (1951)” (Maddrey 31).