| 1. |  | 2001: A Space Odyssey (1968)
Mankind finds a mysterious, obviously artificial, artifact buried on the moon and, with the intelligent computer HAL, sets off on a quest. tt0062622
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| 2. |  | Star Wars: Episode IV - A New Hope (1977)
Luke Skywalker leaves his home planet, teams up with other rebels, and tries to save Princess Leia from the evil clutches of Darth Vader. tt0076759+
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| 3. |  | E.T. the Extra-Terrestrial (1982)
A group of Earth children help a stranded alien botanist return home. tt0083866+
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| 4. |  | A Clockwork Orange (1971)
In future Britain, charismatic delinquent Alex DeLarge is jailed and later volunteers for an experimental aversion therapy developed by the government in an effort to solve society's crime problem... but not all goes to plan. tt0066921
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| 5. |  | The Day the Earth Stood Still (1951)
An alien lands and tells the people of Earth that they must live peacefully or be destroyed as a danger to other planets. tt0043456+
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| 6. |  | Blade Runner (1982)
Deckard, a blade runner, has to track down and terminate 4 replicants who hijacked a ship in space and have returned to earth seeking their maker. tt0083658+
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| 7. |  | Alien (1979)
A mining ship, investigating a suspected SOS, lands on a distant planet. The crew discovers some strange creatures and investigates. tt0078748+
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| 8. |  | Terminator 2: Judgment Day (1991)
The cyborg who once tried to kill Sarah Connor must now protect her teenager son, John Connor, from an even more powerful and advanced cyborg. tt0103064+
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| 9. |  | Invasion of the Body Snatchers (1956)
A small-town doctor learns that the population of his community is being replaced by emotionless alien duplicates.tt0049366
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| 10. |  | Back to the Future (1985)
In 1985, Doc Brown invents time travel; in 1955, Marty McFly accidentally prevents his parents from meeting, putting his own existence at stake. tt0088763
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