The Greatest Sci-Fi Movies of All Time

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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!
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  • 130 ReRanks
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  1. 1
    + 2,361
    - 706

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

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  2. 2
    + 2,420
    - 575


    Harrison Ford, Carrie Fisher, Mark Hamill

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  3. 3
    + 1,982
    - 659
    Alien is listed (or ranked) 3 on the list The Greatest Sci-Fi Movies of All Time


    Alien Sigourney Weaver, John Hurt, Ian Holm

  4. 4
    + 1,725
    - 636
    Terminator 2: Judgment Day is listed (or ranked) 4 on the list The Greatest Sci-Fi Movies of All Time


    Terminator 2: Judgment Day Arnold Schwarzenegger, Edward Furlong, Linda Hamilton

  5. 5
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    - 736


    Keanu Reeves, Hugo Weaving, Carrie-Anne Moss

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  6. 6
    + 1,730
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    Arnold Schwarzenegger, Bill Paxton, Linda Hamilton

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  7. 7
    + 1,812
    - 609


    Harrison Ford, Daryl Hannah, Sean Young

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  8. 8
    + 1,709
    - 498


    Harrison Ford, Carrie Fisher, Mark Hamill

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  9. 9
    + 1,736
    - 643


    Michael J. Fox, Christopher Lloyd, Lea Thompson

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  10. 10
    + 1,666
    - 525
    Aliens is listed (or ranked) 10 on the list The Greatest Sci-Fi Movies of All Time


    Aliens Sigourney Weaver, Bill Paxton, Michael Biehn

  11. 11
    + 1,475
    - 690


    Arthur C. Clarke, Leonard Rossiter, Ed Bishop

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  12. 12
    + 1,620
    - 575


    Samuel L. Jackson, Jeff Goldblum, Richard Attenborough

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  13. 13
    + 1,103
    - 676

    often listed
    Drew Barrymore, Erika Eleniak, Debra Winger

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  14. 14
    + 1,377
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    Milla Jovovich, Bruce Willis, Gary Oldman

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  15. 15
    + 957
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    Close Encounters of the Third ... is listed (or ranked) 15 on the list The Greatest Sci-Fi Movies of All Time

    often listed
    Close Encounters of the Third Kind Richard Dreyfuss, Teri Garr, Carl Weathers

  16. 16
    + 1,157
    - 506
    Total Recall is listed (or ranked) 16 on the list The Greatest Sci-Fi Movies of All Time


    Total Recall Arnold Schwarzenegger, Sharon Stone, Michael Ironside

  17. 17
    + 1,148
    - 568


    Kirstie Alley, William Shatner, Leonard Nimoy

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  18. 18
    + 1,196
    - 530


    Bill Murray, Sigourney Weaver, Dan Aykroyd

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  19. 19
    + 1,097
    - 575


    Charlton Heston, Linda Harrison, James Whitmore

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  20. 20
    + 1,246
    - 467


    Arnold Schwarzenegger, Jesse Ventura, Carl Weathers

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  21. 21
    + 1,188
    - 669
    Independence Day is listed (or ranked) 21 on the list The Greatest Sci-Fi Movies of All Time


    Independence Day Will Smith, Jeff Goldblum, Vivica A. Fox

  22. 22
    + 1,150
    - 578


    Zoe Saldana, Jennifer Morrison, Winona Ryder

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  23. 23
    + 1,302
    - 621


    Leonardo DiCaprio, Tom Hardy, Marion Cotillard

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  24. 24
    + 964
    - 444
    Stargate is listed (or ranked) 24 on the list The Greatest Sci-Fi Movies of All Time


    Stargate Kurt Russell, James Spader, Djimon Hounsou

  25. 25
    + 883
    - 458
    12 Monkeys is listed (or ranked) 25 on the list The Greatest Sci-Fi Movies of All Time


    12 Monkeys Brad Pitt, Bruce Willis, Christopher Plummer

  26. 26
    + 788
    - 509

    often listed
    Cameron Diaz, Tom Cruise, Colin Farrell

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  27. 27
    + 1,101
    - 757


    Zoe Saldana, Sigourney Weaver, Michelle Rodriguez

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  28. 28
    + 863
    - 483
    Back to the Future Part II is listed (or ranked) 28 on the list The Greatest Sci-Fi Movies of All Time


    Back to the Future Part II Clint Eastwood, Michael J. Fox, Elisabeth Shue

  29. 29
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    - 514


    Sigourney Weaver, Laraine Newman, Kathy Najimy

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  30. 30
    + 893
    - 398
    The Thing is listed (or ranked) 30 on the list The Greatest Sci-Fi Movies of All Time

    ranked low on reranks
    The Thing Kurt Russell, Keith David, John Carpenter

  31. 31
    + 667
    - 387
    The Time Machine is listed (or ranked) 31 on the list The Greatest Sci-Fi Movies of All Time

    often listed & ranked high on reranks
    The Time Machine Yvette Mimieux, Rod Taylor, Alan Young

  32. 32
    + 676
    - 198

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

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  33. 33
    + 871
    - 436


    Summer Glau, Morena Baccarin, Nathan Fillion

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  34. 34
    + 673
    - 239

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

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  35. 35
    + 729
    - 422


    Mel Gibson, Bruce Spence, Vernon Wells

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  36. 36
    + 782
    - 422
    RoboCop is listed (or ranked) 36 on the list The Greatest Sci-Fi Movies of All Time


    RoboCop Alex Van Halen, Peter Weller, Leeza Gibbons

  37. 37
    + 700
    - 459
    The Day the Earth Stood Still is listed (or ranked) 37 on the list The Greatest Sci-Fi Movies of All Time


    The Day the Earth Stood Still Patricia Neal, Michael Rennie, Frances Bavier

  38. 38
    + 833
    - 497


    Neil Patrick Harris, Denise Richards, Amy Smart

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  39. 39
    + 835
    - 540
    District 9 is listed (or ranked) 39 on the list The Greatest Sci-Fi Movies of All Time


    District 9 Sharlto Copley, Jed Brophy, Vanessa Haywood

  40. 40
    + 719
    - 460


    Sigourney Weaver, Alan Rickman, Tim Allen

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  41. 41
    + 552
    - 204
    Indiana Jones and the Last Cru... is listed (or ranked) 41 on the list The Greatest Sci-Fi Movies of All Time

    ranked low on reranks
    Indiana Jones and the Last Crusade Harrison Ford, Sean Connery, River Phoenix

  42. 42
    + 606
    - 380
    The Abyss is listed (or ranked) 42 on the list The Greatest Sci-Fi Movies of All Time


    The Abyss Ed Harris, Mary Elizabeth Mastrantonio, Chris Elliott

  43. 43
    + 651
    - 422
    I, Robot is listed (or ranked) 43 on the list The Greatest Sci-Fi Movies of All Time


    I, Robot Will Smith, Shia LaBeouf, Bridget Moynahan

  44. 44
    + 460
    - 337
    A Clockwork Orange is listed (or ranked) 44 on the list The Greatest Sci-Fi Movies of All Time

    added by DukeArcher
    A Clockwork Orange Malcolm McDowell, Warren Clarke, Steven Berkoff

  45. 45
    + 531
    - 368
    Star Trek IV: The Voyage Home is listed (or ranked) 45 on the list The Greatest Sci-Fi Movies of All Time


    Star Trek IV: The Voyage Home William Shatner, Leonard Nimoy, George Takei

  46. 46
    + 636
    - 505


    Matthew McConaughey, Jodie Foster, Jay Leno

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  47. 47
    + 575
    - 379


    Joan Rivers, John Hurt, Mel Brooks

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  48. 48
    + 557
    - 358


    Tom Hanks, Bryce Dallas Howard, Ed Harris

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  49. 49
    + 427
    - 308
    20,000 Leagues Under the Sea is listed (or ranked) 49 on the list The Greatest Sci-Fi Movies of All Time


    20,000 Leagues Under the Sea Kirk Douglas, Peter Lorre, Paul Lukas

  50. 50
    + 610
    - 350
    Pitch Black is listed (or ranked) 50 on the list The Greatest Sci-Fi Movies of All Time


    Pitch Black Vin Diesel, Radha Mitchell, Keith David

541 +

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