It Came from Outer Space is a 1953 Science fiction 3-D film directed by Jack Arnold, and starring Richard Carlson, Barbara Rush, and Charles Drake. It was Universal's first film to be filmed in 3-D.
It develops that the aliens are benign beings whose spacecraft has crashed due to malfunctioning components. Their plan is to stay on Earth long enough to replace them, then continue on their voyage. They temporarily control a few humans since they would not be able to mingle inconspicuously with people, and they realize that humans would panic on seeing them. Upon their departure, all returns to normal on Earth.
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IT CAME FROM OUTER SPACE (TRAILER)
JACK ARNOLD (1953)