The Best Sci Fi Television Series of All Time TV Programs
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The Best Sci Fi Television Series of All Time

List Criteria: Sci-fi TV shows and series with science fiction elements

A list of the best sci-fi shows and best sci-fi series of all time, as ranked by hundreds of Ranker voters. This list includes long-running sci-fi TV shows like Doctor Who as well as some of the best cancelled shows of the genre. Science fiction TV shows have been around for decades, and some of the longest running shows have fallen into this category. Popular shows such as Star Trek have enjoyed several incarnations, and fan-favorite shows like "Firefly" and "The X-Files" have made the crossover from TV to the big screen.

Vote for your favorite science fiction shows to move them to the top of the list, or press re-rank to create your own list of your favorite science fiction series. Be sure to stop by to vote on the best British sitcoms and best current TV shows airing right now.
  • 224 ReRanks
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  1. 1
    Up 4935
    Down 1838

    most listed Christina Hendricks, Summer Glau, Morena Baccarin

    open
  2. 2
    Up 3518
    Down 1859

    Eric Roberts, Tom Baker, Paul McGann

    open
  3. 3
    Up 4096
    Down 1857

    Grace Park, Tricia Helfer, Lucy Lawless

    open
  4. 4
    Up 3289
    Down 1343

    Whoopi Goldberg, Patrick Stewart, Wil Wheaton

    open
  5. 5
    Up 2928
    Down 1346

    William Shatner, Leonard Nimoy, George Takei

    open
  6. 6
    Up 3326
    Down 1468

    Gillian Anderson, Lucy Lawless, David Duchovny

    open
  7. 7
    Up 3347
    Down 1320

    Amanda Tapping, Beau Bridges, Claudia Black

    open
  8. 8
    Up 2203
    Down 1224

    Morgan Freeman, Rod Serling, John McGiver

    open
  9. 9
    Up 2775
    Down 1466

    Anna Torv, Joshua Jackson, John Noble

    open
  10. 10
    Up 3000
    Down 2602

    the people's #1 & often listed Jeff Conaway, Tracy Scoggins, Bruce Boxleitner

    open
  11. 11
    Up 2189
    Down 1446

    Claudia Black, Ben Browder, Raelee Hill

    open
  12. 12
    Up 1973
    Down 1258

    Terry Farrell, Rene Auberjonois, Nicole de Boer

    open
  13. 13
    Up 1666
    Down 1114

    Dean Stockwell, Scott Bakula, Deborah Pratt

    open
  14. 14
    Up 2134
    Down 1343

    Katey Sagal, Frank Welker, Billy West

    open
  15. 15
    Up 1964
    Down 1144

    Jeri Ryan, Kate Mulgrew, Robert Picardo

    open
  16. 16
    Up 1605
    Down 938

    Jason Momoa, Jewel Staite, Amanda Tapping

    open
  17. 17
    Up 1484
    Down 1206

    John Barrowman, Lauren Ambrose, Bill Pullman

    open
  18. 18
    Up 1617
    Down 964

    Jolene Blalock, Scott Bakula, Linda Park

    open
  19. 19
    Up 1630
    Down 1165

    Felicia Day, Salli Richardson, Erica Cerra

    open
  20. 20
    Up 1975
    Down 1868

    Evangeline Lilly, Ian Somerhalder, Michelle Rodriguez

    open
  21. 21
    Up 1694
    Down 1440

    Hayden Panettiere, Kristen Bell, Ali Larter

    open
  22. 22
    Up 1268
    Down 961

    Joanne Kelly, Jaime Murray, Allison Scagliotti

    open
  23. 23
    Up 1087
    Down 921

    David McCallum, Kevin Conway, Beau Bridges

    open
  24. 24
    Up 1119
    Down 1005

    Craig Charles, Danny John-Jules, Chloë Annett

    open
  25. 25
    Up 1396
    Down 1150

    Lena Headey, Summer Glau, Shirley Manson

    open
  26. 26
    Up 1240
    Down 1187

    Michael Ironside, Robert Englund, Lane Smith

    open
  27. 27
    Up 981
    Down 754

    Robert Carlyle, Ming-Na Wen, Lou Diamond Phillips

    open
  28. 28
    Up 1094
    Down 925

    Kari Wührer, Jerry O'Connell, John Rhys-Davies

    open
  29. 29
    Up 867
    Down 681

    added by dustman025 Moon Bloodgood, Sarah Carter, Noah Wyle

    open
  30. 30
    Up 646
    Down 578

    added by toddrh Rachel Nichols, Lexa Doig, Victor H. Webster

    open
  31. 31
    Up 522
    Down 473

    Stephen Moore, Simon Jones, Sandra Dickinson

    open
  32. 32
    Up 862
    Down 1024

    Eliza Dushku, Amy Acker, Alan Tudyk

    open
  33. 33
    Up 836
    Down 953

    Lexa Doig, Brandy Ledford, Kevin Sorbo

    open
  34. 34
    Up 812
    Down 853

    Amanda Tapping, Agam Darshi, Robin Dunne

    open
  35. 35
    Up 557
    Down 470

    added by huggums537 Mel Blanc, Erin Gray, Pamela Hensley

    open
  36. 36
    Up 887
    Down 839

    Lucy Lawless, Karl Urban, Hudson Leick

    open
  37. 37
    Up 716
    Down 800

    Bill Corbett, Kevin Murphy, Joel Hodgson

    open
  38. 38
    Up 433
    Down 342

    added by wiabux Marion Cotillard, Jason Isaacs, Stella Stevens

    open
  39. 39
    Up 770
    Down 764

    Lee Majors, Martin Balsam, Alan Oppenheimer

    open
  40. 40
    Up 678
    Down 592

    Jason O'Mara, Stephen Lang, Christine Adams

    open
  41. 41
    Up 525
    Down 524

    Susan Sarandon, William Hurt, Giancarlo Giannini

    open
  42. 42
    Up 495
    Down 388

    added by huggums537 Mel Blanc, Phil Hartman, Frank Welker

    open
  43. 43
    Up 896
    Down 956

    Jessica Alba, Jensen Ackles, Michael Weatherly

    open
  44. 44
    Up 770
    Down 924

    Brooke Nevin, Megalyn Echikunwoke, Peter Coyote

    open
  45. 45
    Up 900
    Down 834

    Joseph Gordon-Levitt, John Lithgow, Jane Curtin

    open
  46. 46
    Up 598
    Down 810

    often listed & ranked high on reranks Martin Landau, Catherine Schell, Barry Morse

    open
  47. 47
    Up 674
    Down 666

    Marta Kristen, June Lockhart, Jonathan Harris

    open
  48. 48
    Up 545
    Down 598

    Lou Ferrigno, Bill Bixby, Ted Cassidy

    open
  49. 49
    Up 435
    Down 380

    added by fjleonard213 Mark Pellegrino, Samuel Witwer, Meaghan Rath

    open
  50. 50
    Up 524
    Down 676

    often listed & ranked high on reranks Jeff Doucette, James Greene, Eric Pierpoint

    open
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