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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.

Want to see more Best Sci-Fi? Here are the Best Sci-Fi TV shows of All Time

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!

The Greatest Sci-Fi Movies of All Time Films
  • 116 ReRanks
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  1. 1
    + 1900
    - 458


    Harrison Ford, Carrie Fisher, Mark Hamill

    ; watch now
  2. 2
    + 1863
    - 577

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

    ; watch now
  3. 3
    + 1590
    - 546


    Sigourney Weaver, John Hurt, Ian Holm

    ;
  4. 4
    + 1740
    - 568


    Keanu Reeves, Hugo Weaving, Carrie-Anne Moss

    ;
  5. 5
    + 1400
    - 506


    Arnold Schwarzenegger, Edward Furlong, Linda Hamilton

    ;
  6. 6
    + 1402
    - 480


    Arnold Schwarzenegger, Bill Paxton, Linda Hamilton

    ;
  7. 7
    + 1448
    - 505


    Harrison Ford, Daryl Hannah, Sean Young

    ;
  8. 8
    + 1408
    - 520


    Michael J. Fox, Christopher Lloyd, Lea Thompson

    ;
  9. 9
    + 1356
    - 387


    Harrison Ford, Carrie Fisher, Mark Hamill

    ; watch now
  10. 10
    + 1338
    - 426


    Sigourney Weaver, Bill Paxton, Michael Biehn

    ;
  11. 11
    + 1327
    - 446


    Samuel L. Jackson, Jeff Goldblum, Richard Attenborough

    ;
  12. 12
    + 1177
    - 553


    Arthur C. Clarke, Leonard Rossiter, Ed Bishop

    ;
  13. 13
    + 876
    - 531

    often listed
    Drew Barrymore, Erika Eleniak, Debra Winger

    ; buy at  
  14. 14
    + 913
    - 460


    Charlton Heston, Linda Harrison, James Whitmore

    ;
  15. 15
    + 926
    - 397


    Arnold Schwarzenegger, Sharon Stone, Michael Ironside

    ;
  16. 16
    + 1102
    - 476


    Milla Jovovich, Bruce Willis, Gary Oldman

    ;
  17. 17
    + 981
    - 398

    ranked low on reranks
    Bill Murray, Sigourney Weaver, Dan Aykroyd

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  18. 18
    + 743
    - 447

    often listed & Ranked High on Reranks
    Richard Dreyfuss, Teri Garr, Carl Weathers

    ;
  19. 19
    + 933
    - 479


    Kirstie Alley, William Shatner, Leonard Nimoy

    ;
  20. 20
    + 1085
    - 484


    Leonardo DiCaprio, Tom Hardy, Marion Cotillard

    ;
  21. 21
    + 1013
    - 380

    ranked low on reranks
    Arnold Schwarzenegger, Jesse Ventura, Carl Weathers

    ;
  22. 22
    + 960
    - 466


    Zoe Saldana, Jennifer Morrison, Winona Ryder

    ; watch now
  23. 23
    + 977
    - 535


    Will Smith, Jeff Goldblum, Vivica A. Fox

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  24. 24
    + 702
    - 353


    Brad Pitt, Bruce Willis, Christopher Plummer

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  25. 25
    + 777
    - 358


    Kurt Russell, James Spader, Djimon Hounsou

    ;
  26. 26
    + 648
    - 383


    Cameron Diaz, Tom Cruise, Colin Farrell

    ;
  27. 27
    + 822
    - 407


    Sigourney Weaver, Laraine Newman, Kathy Najimy

    ;
  28. 28
    + 918
    - 598

    often listed
    Zoe Saldana, Sigourney Weaver, Michelle Rodriguez

    ;
  29. 29
    + 546
    - 309


    Yvette Mimieux, Rod Taylor, Alan Young

    ; buy at  
  30. 30
    + 697
    - 384


    Clint Eastwood, Michael J. Fox, Elisabeth Shue

    ;
  31. 31
    + 678
    - 334


    Kurt Russell, Keith David, John Carpenter

    ;
  32. 32
    + 730
    - 353

    ranked low on reranks
    Summer Glau, Morena Baccarin, Nathan Fillion Watch for Free with Amazon Prime Free Trial

    ;
  33. 33
    + 591
    - 375


    Patricia Neal, Michael Rennie, Frances Bavier Watch for Free with Amazon Prime Free Trial

    ;
  34. 34
    + 639
    - 352


    Alex Van Halen, Peter Weller, Leeza Gibbons Watch for Free with Amazon Prime Free Trial

    ;
  35. 35
    + 496
    - 155

    ranked low on reranks & added by but chickens double d
    Will Smith, Sylvester Stallone, Steven Spielberg

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  36. 36
    + 683
    - 402


    Neil Patrick Harris, Denise Richards, Amy Smart

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  37. 37
    + 585
    - 351


    Mel Gibson, Bruce Spence, Vernon Wells

    ; watch now
  38. 38
    + 440
    - 123

    ranked low on reranks & added by AndrewGreen
    Zoe Saldana, Bradley Cooper, Karen Gillan

    ; buy at  
  39. 39
    + 594
    - 367


    Sigourney Weaver, Alan Rickman, Tim Allen

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  40. 40
    + 674
    - 446


    Sharlto Copley, Jed Brophy, Vanessa Haywood

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  41. 41
    + 419
    - 289


    William Shatner, Leonard Nimoy, George Takei

    ;
  42. 42
    + 398
    - 132

    ranked low on reranks
    Harrison Ford, Sean Connery, River Phoenix

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  43. 43
    + 330
    - 236

    added by DukeArcher
    Malcolm McDowell, Warren Clarke, Steven Berkoff

    ;
  44. 44
    + 524
    - 322


    Will Smith, Shia LaBeouf, Bridget Moynahan

    ;
  45. 45
    + 488
    - 302


    Ed Harris, Mary Elizabeth Mastrantonio, Chris Elliott

    ; buy at  
  46. 46
    + 341
    - 240


    Kirk Douglas, Peter Lorre, Paul Lukas

    ;
  47. 47
    + 441
    - 290


    Patrick Stewart, James Cromwell, Alfre Woodard

    ; watch now
  48. 48
    + 522
    - 411


    Matthew McConaughey, Jodie Foster, Jay Leno

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  49. 49
    + 450
    - 281


    Joan Rivers, John Hurt, Mel Brooks

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  50. 50
    + 485
    - 342


    Tom Cruise, Morgan Freeman, Channing Tatum

    ; watch now
537 +

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