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!
  • 73 ReRanks
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  1. 1
    Up 796
    Down 300

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

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  2. 2
    Up 737
    Down 254

    Sigourney Weaver, John Hurt, Ian Holm

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  3. 3
    Up 753
    Down 216

    Harrison Ford, Carrie Fisher, Mark Hamill

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  4. 4
    Up 673
    Down 218

    Arnold Schwarzenegger, Linda Hamilton, Bill Paxton

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  5. 5
    Up 680
    Down 234

    Harrison Ford, Daryl Hannah, Sean Young

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  6. 6
    Up 614
    Down 188

    Sigourney Weaver, Bill Paxton, Paul Reiser

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  7. 7
    Up 832
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    ranked low on reranks Keanu Reeves, Laurence Fishburne, Carrie-Anne Moss

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  8. 8
    Up 646
    Down 205

    Arnold Schwarzenegger, Edward Furlong, Linda Hamilton

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  9. 9
    Up 669
    Down 219

    Michael J. Fox, Lea Thompson, Jason Hervey

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  10. 10
    Up 506
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    often listed & ranked high on reranks Arthur C. Clarke, Leonard Rossiter, Ed Bishop

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  11. 11
    Up 587
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    Samuel L. Jackson, Jeff Goldblum, Laura Dern

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  12. 12
    Up 543
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    Harrison Ford, Carrie Fisher, Mark Hamill

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  13. 13
    Up 516
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    Milla Jovovich, Bruce Willis, Gary Oldman

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  14. 14
    Up 458
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    Kirstie Alley, William Shatner, Leonard Nimoy

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  15. 15
    Up 497
    Down 218

    Jennifer Morrison, Zoe Saldana, Winona Ryder

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  16. 16
    Up 491
    Down 193

    Arnold Schwarzenegger, Jesse Ventura, Carl Weathers

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  17. 17
    Up 438
    Down 166

    Arnold Schwarzenegger, Sharon Stone, Dean Norris

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  18. 18
    Up 373
    Down 235

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

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  19. 19
    Up 559
    Down 230

    Leonardo DiCaprio, Marion Cotillard, Joseph Gordon-Levitt

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  20. 20
    Up 452
    Down 197

    Bill Murray, Sigourney Weaver, Dan Aykroyd

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  21. 21
    Up 502
    Down 267

    Will Smith, Jeff Goldblum, Vivica A. Fox

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  22. 22
    Up 425
    Down 218

    Charlton Heston, Linda Harrison, Roddy McDowall

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  23. 23
    Up 337
    Down 204

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

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  24. 24
    Up 301
    Down 142

    Brad Pitt, Bruce Willis, Christopher Plummer

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  25. 25
    Up 385
    Down 179

    Sigourney Weaver, Laraine Newman, Jeff Garlin

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  26. 26
    Up 362
    Down 157

    Kurt Russell, James Spader, Djimon Hounsou

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  27. 27
    Up 358
    Down 168

    Summer Glau, Morena Baccarin, Nathan Fillion

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  28. 28
    Up 457
    Down 276

    Zoe Saldana, Sigourney Weaver, Michelle Rodriguez

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  29. 29
    Up 308
    Down 198

    Patricia Neal, Michael Rennie, Sam Jaffe

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  30. 30
    Up 325
    Down 193

    Alex Van Halen, Leeza Gibbons, Peter Weller

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  31. 31
    Up 298
    Down 179

    Mel Gibson, Bruce Spence, Vernon Wells

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  32. 32
    Up 293
    Down 185

    Sigourney Weaver, Alan Rickman, Tim Allen

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  33. 33
    Up 304
    Down 172

    Cameron Diaz, Tom Cruise, Colin Farrell

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  34. 34
    Up 310
    Down 154

    Kurt Russell, Keith David, John Carpenter

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  35. 35
    Up 344
    Down 183

    Denise Richards, Neil Patrick Harris, Amy Smart

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  36. 36
    Up 321
    Down 176

    Clint Eastwood, Michael J. Fox, Elisabeth Shue

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  37. 37
    Up 270
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    ranked low on reranks

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  38. 38
    Up 246
    Down 174

    Gene Barry, Les Tremayne, Ann Robinson

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  39. 39
    Up 329
    Down 219

    Sharlto Copley, John Sumner, Jed Brophy

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  40. 40
    Up 241
    Down 134

    Yvette Mimieux, Rod Taylor, Alan Young

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  41. 41
    Up 275
    Down 203

    Matthew McConaughey, Jodie Foster, Jay Leno

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  42. 42
    Up 224
    Down 103

    Vin Diesel, Radha Mitchell, Keith David

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  43. 43
    Up 191
    Down 107

    Patrick Stewart, James Cromwell, Alfre Woodard

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  44. 44
    Up 214
    Down 130

    Ed Harris, Mary Elizabeth Mastrantonio, Michael Biehn

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  45. 45
    Up 220
    Down 158

    Jennifer Connelly, Kiefer Sutherland, William Hurt

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  46. 46
    Up 204
    Down 104

    Will Smith, Shia LaBeouf, Bridget Moynahan

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  47. 47
    Up 203
    Down 136

    Tom Hanks, Kevin Bacon, Bryce Dallas Howard

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  48. 48
    Up 206
    Down 132

    Marlon Brando, Gene Hackman, Christopher Reeve

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  49. 49
    Up 166
    Down 123

    Geena Davis, Jeff Goldblum, David Cronenberg

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  50. 50
    Up 139
    Down 97

    Leslie Nielsen, Anne Francis, Walter Pidgeon

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