The Greatest Sci-Fi Movies of All Time Films
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The Greatest Sci-Fi Movies of All Time

List Criteria: Which science fiction films are the best? Vote up your favorites and add any that aren't already on the list.

What are the greatest sci-fi movies of all time? Science fiction films are among the most popular movies in cinematic history, with films like 'Star Wars' and 'Aliens' keeping audiences on the edge of their collective seats for decades. This list includes these classics, and many more, but it is by no means complete. Feel free to add your favorite sci-fi movies if they aren't listed, and vote for your favorites.

Great sci-fi films include stories of extraterrestrial life, time travel, space travel, robots and more. Some of these amazing science fiction movies are more fantasy-oriented, while others are a bit closer to reality. Either way, scifi films keep audiences rapt with tales of science and technology, combined, at times with the supernatural.

Some sci-fi films are based on classic novels or short stories by such heavyweight authors as H.G. Wells ('War of the Worlds,' 'The Invisible Man') or Philip K. Dick ('Blade Runner,' 'Minority Report').

What are the greatest sci fi movies of all time? This list of the best sci-fi films is also Crowdranked, meaning you can rerank your own greatest sci-fi movies. Your reranks can change the overall order of the films on the list!
  • 79 ReRanks
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  1. 1
    Up 1021
    Down 377

    the people's #1 & most listed Harrison Ford, Carrie Fisher, Mark Hamill

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  2. 2
    Up 995
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    ranked low on reranks Harrison Ford, Carrie Fisher, Mark Hamill

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  3. 3
    Up 924
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    Sigourney Weaver, John Hurt, Ian Holm

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  4. 4
    Up 853
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    Harrison Ford, Daryl Hannah, Sean Young

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  5. 5
    Up 839
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    Arnold Schwarzenegger, Linda Hamilton, Bill Paxton

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  6. 6
    Up 801
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    Arnold Schwarzenegger, Edward Furlong, Linda Hamilton

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  7. 7
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    Michael J. Fox, Lea Thompson, Jason Hervey

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  8. 8
    Up 1039
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    ranked low on reranks Keanu Reeves, Laurence Fishburne, Carrie-Anne Moss

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  9. 9
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    Sigourney Weaver, Bill Paxton, Paul Reiser

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  10. 10
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    often listed & ranked high on reranks Arthur C. Clarke, Leonard Rossiter, Ed Bishop

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  11. 11
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    Samuel L. Jackson, Jeff Goldblum, Laura Dern

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  12. 12
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    Harrison Ford, Carrie Fisher, Mark Hamill

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  13. 13
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    Milla Jovovich, Bruce Willis, Gary Oldman

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  14. 14
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    often listed & ranked high on reranks Kirstie Alley, William Shatner, Leonard Nimoy

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  15. 15
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    Arnold Schwarzenegger, Sharon Stone, Dean Norris

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  16. 16
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    Arnold Schwarzenegger, Jesse Ventura, Carl Weathers

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  17. 17
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    often listed & ranked high on reranks Drew Barrymore, Erika Eleniak, Robert MacNaughton

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  18. 18
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    Bill Murray, Sigourney Weaver, Dan Aykroyd

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  19. 19
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    Jennifer Morrison, Zoe Saldana, Winona Ryder

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  20. 20
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    Leonardo DiCaprio, Marion Cotillard, Joseph Gordon-Levitt

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  21. 21
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    Will Smith, Jeff Goldblum, Vivica A. Fox

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  22. 22
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    often listed & ranked high on reranks Richard Dreyfuss, Teri Garr, Bob Balaban

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  23. 23
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    Charlton Heston, Linda Harrison, Roddy McDowall

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  24. 24
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    Brad Pitt, Bruce Willis, Christopher Plummer

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  25. 25
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    Sigourney Weaver, Laraine Newman, Jeff Garlin

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  26. 26
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    Summer Glau, Morena Baccarin, Nathan Fillion

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  27. 27
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    Kurt Russell, James Spader, Djimon Hounsou

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  28. 28
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    Patricia Neal, Michael Rennie, Sam Jaffe

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  29. 29
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    Zoe Saldana, Sigourney Weaver, Michelle Rodriguez

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  30. 30
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    Cameron Diaz, Tom Cruise, Colin Farrell

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  31. 31
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    Alex Van Halen, Leeza Gibbons, Peter Weller

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  32. 32
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    Clint Eastwood, Michael J. Fox, Elisabeth Shue

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  33. 33
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    ranked low on reranks

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  34. 34
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    Sigourney Weaver, Alan Rickman, Tim Allen

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  35. 35
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    Mel Gibson, Bruce Spence, Vernon Wells

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  36. 36
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    Kurt Russell, Keith David, John Carpenter

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  37. 37
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    Denise Richards, Neil Patrick Harris, Amy Smart

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  38. 38
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    Sharlto Copley, John Sumner, Jed Brophy

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  39. 39
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    Gene Barry, Les Tremayne, Ann Robinson

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  40. 40
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    Yvette Mimieux, Rod Taylor, Alan Young

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  41. 41
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    Vin Diesel, Radha Mitchell, Keith David

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  42. 42
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    Matthew McConaughey, Jodie Foster, Jay Leno

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  43. 43
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    Ed Harris, Mary Elizabeth Mastrantonio, Michael Biehn

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  44. 44
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    Will Smith, Shia LaBeouf, Bridget Moynahan

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  45. 45
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    Marlon Brando, Gene Hackman, Christopher Reeve

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  46. 46
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    Jennifer Connelly, Kiefer Sutherland, William Hurt

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  47. 47
    Up 249
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    Patrick Stewart, James Cromwell, Alfre Woodard

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  48. 48
    Up 268
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    Tom Hanks, Kevin Bacon, Bryce Dallas Howard

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  49. 49
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    Geena Davis, Jeff Goldblum, David Cronenberg

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  50. 50
    Up 193
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    Leslie Nielsen, Anne Francis, Walter Pidgeon

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245 +

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