Invasion of the Body Snatchers (1956) Kevin McCarthy, Dana Wynter. A small-town doctor learns that his neighbors are being replaced by emotionless alien duplicates and he is determined to find the cause.
When Worlds Collide (1951) Richard Derr, Barbara Rush. Survivalists work frantically to complete a rocket ship to save them from an earth doomed by a collision with a runaway star.
Invaders from Mars (1953) Helena Carter, Arthur Franz, Jimmy Hunt. After seeing a spaceship crash into a nearby sandpit, a young boy is convinced that space aliens are taking over the minds of earthlings.
Creature from the Black Lagoon (1954) Richard Carlson, Julie Adams, Richard Denning. Scientists try to capture a prehistoric gill-man beast in the depths of the Amazon jungle and bring it back to civilization for study.
It Came from Outer Space (1953) Richard Carlson Barbara Rush. A spaceship crashes in the Arizona desert and only an amateur stargazer and a schoolteacher suspect that aliens are influencing townsfolk.
The Thing (from Another World) (1951) Kenneth Tobey, Margaret Sheridan, James Arness. Scientists at a remote Air Force outpost in the arctic fend off an alien organism.
Them! (1954) James Whitmore, Edmund Gwenn, Joan Weldon. Early atomic tests in New Mexico cause common ants to mutate into giant man-eating monsters that threaten civilization.
The War of the Worlds (1953) Gene Barry, Ann Robinson. A flaming meteor brings Martians to invade the Earth. 1984 (1956) Edmond O’Brien, Jan Sterling. To rebel against this totalitarian future society, a man falls in love. The Incredible Shrinking Man (1957) Grant Williams. Radiation exposure causes a man to begin to shrink. Destination Moon (1950) John Archer, Warner Anderson. Scientists encounter dangers in this space travel film. The Fly (1958) David Hedison. A scientist has a horrific accident with his newly invented teleportation device.