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Sometimes, it's nice to escape the day-to-day and get immersed in the futuristic worlds of science fiction. But what films do sci-fi fans consider to be the greatest in the genre?
We examined the movie-based social network Letterboxd's list of the highest-rated films of all time (according to average weighted ratings from its 1.5 million users) to find the science fiction stories that audiences consider the most worthwhile.
The results included a range of titles, from classics like "2001: A Space Odyssey" and "Alien" to newer favorites like "Inception" and "Spider-Man: Into the Spider-Verse."
Here are the 17 best sci-fi movies of all time, according to fans.