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The Best Sci Fi Television Series of All Time

371k votes 22k voters 461k views 228 items tags f p @

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.
List Photo: user uploaded image
Collection Photo:  via hbo
  • 323 ReRanks
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  1. 1
    + 7,989
    - 3,434


    Nathan Fillion, Gina Torres, Alan Tudyk

    ;
  2. 2
    + 6,057
    - 2,758


    Patrick Stewart, Brent Spiner, Jonathan Frakes

    ;
  3. 3
    + 7,120
    - 2,878


    Edward James Olmos, Mary McDonnell, Jamie Bamber

    ;
  4. 4
    + 6,268
    - 3,502

    the people's #1 & most listed
    Peter Capaldi, Jenna Coleman, Matt Smith

    ;
  5. 5
    + 5,183
    - 2,169


    William Shatner, Leonard Nimoy, DeForest Kelley

    ;
  6. 6
    + 5,370
    - 2,389


    David Duchovny, Gillian Anderson, Mitch Pileggi

    ;
  7. 7
    + 5,475
    - 2,164


    Richard Dean Anderson, Michael Shanks, Amanda Tapping

    ;
  8. 8
    + 3,687
    - 1,990


    Rod Serling, Robert McCord, Jay Overholts

    ;
  9. 9
    + 4,286
    - 2,479


    Anna Torv, Joshua Jackson, Jasika Nicole

    ;
  10. 10
    + 3,550
    - 2,109


    Avery Brooks, Rene Auberjonois, Cirroc Lofton

    ;
  11. 11
    + 4,778
    - 3,844

    often listed & ranked high on reranks
    Jerry Doyle, Mira Furlan, Richard Biggs

    ;
  12. 12
    + 3,700
    - 2,326


    Ben Browder, Claudia Black, Anthony Simcoe

    ;
  13. 13
    + 3,403
    - 1,983


    Kate Mulgrew, Robert Beltran, Roxann Dawson

    ;
  14. 14
    + 2,949
    - 1,922


    Scott Bakula, Dean Stockwell, Deborah Pratt

    ;
  15. 15
    + 3,054
    - 1,726


    Joe Flanigan, Rachel Luttrell, David Hewlett

    ;
  16. 16
    + 3,026
    - 1,755


    Scott Bakula, John Billingsley, Jolene Blalock

    ;
  17. 17
    + 3,420
    - 2,173


    Billy West, John DiMaggio, Katey Sagal

    ;
  18. 18
    + 2,635
    - 2,097


    John Barrowman, Eve Myles, Kai Owen

    ;
  19. 19
    + 2,782
    - 1,973


    Colin Ferguson, Salli Richardson-Whitfield, Erica Cerra

    ;
  20. 20
    + 2,729
    - 2,374


    Hayden Panettiere, Jack Coleman, Milo Ventimiglia

    ;
  21. 21
    + 3,060
    - 2,992


    Naveen Andrews, Matthew Fox, Jorge Garcia

    ;
  22. 22
    + 1,943
    - 1,585

    added by Richard777
    Kevin Conway, Joe Pascual

    ;
  23. 23
    + 2,356
    - 1,741


    Eddie McClintock, Joanne Kelly, Saul Rubinek

    ;
  24. 24
    + 1,322
    - 575

    ranked low on reranks & added by JimmyPaton
    Edward James Olmos, Mary McDonnell, Jamie Bamber

    ;
  25. 25
    + 2,359
    - 1,874


    Elizabeth Mitchell, Morris Chestnut, Joel Gretsch

    ;
  26. 26
    + 1,962
    - 1,736


    Chris Barrie, Craig Charles, Danny John-Jules

    ;
  27. 27
    + 1,944
    - 1,566


    Jerry O'Connell, Sabrina Lloyd, John Rhys-Davies

    ;
  28. 28
    + 2,181
    - 1,893


    Lena Headey, Thomas Dekker, Summer Glau

    ;
  29. 29
    + 1,889
    - 1,528


    Robert Carlyle, Louis Ferreira, Brian J. Smith

    ;
  30. 30
    + 1,307
    - 1,040


    Stephen Moore, Simon Jones, David Dixon

    ;
  31. 31
    + 919
    - 221

    ranked low on reranks
    Barry Jones

    ;
  32. 32
    + 1,509
    - 1,363


    Lee Majors, Richard Anderson, Martin E. Brooks

    ;
  33. 33
    + 425
    - 163

    ranked low on reranks & added by nymless
    Clark Gregg, Ming-Na Wen, Brett Dalton

    ;
  34. 34
    + 1,605
    - 1,750

    often listed & ranked high on reranks
    Eliza Dushku, Harry Lennix, Fran Kranz

    ;
  35. 35
    + 1,430
    - 1,265

    added by toddrh
    Rachel Nichols, Stephen Lobo, Victor Webster

    ;
  36. 36
    + 1,569
    - 1,717

    often listed & ranked high on reranks
    Martin Landau, Barbara Bain, Nick Tate

    ;
  37. 37
    + 1,659
    - 1,384

    added by dustman025
    Noah Wyle, Drew Roy, Maxim Knight

    ;
  38. 38
    + 1,293
    - 1,038

    added by huggums537
    Gil Gerard, Erin Gray, Felix Silla

    ;
  39. 39
    + 947
    - 230

    ranked low on reranks
    Shohreh Aghdashloo, Cas Anvar, Wes Chatham

    ;
  40. 40
    + 1,646
    - 1,492


    Lucy Lawless, Renée O'Connor, Ted Raimi

    ;
  41. 41
    + 1,568
    - 1,568


    Jessica Alba, Michael Weatherly, Richard Gunn

    ;
  42. 42
    + 1,479
    - 1,570


    Kevin Sorbo, Lisa Ryder, Laura Bertram

    ;
  43. 43
    + 1,320
    - 1,253


    Guy Williams, June Lockhart, Mark Goddard

    ;
  44. 44
    + 611
    - 390

    ranked low on reranks
    Grant Gustin, Candice Patton, Danielle Panabaker

    ;
  45. 45
    + 1,157
    - 946

    added by wiabux
    Adrian Paul, Stan Kirsch, Jim Byrnes

    ;
  46. 46
    + 1,122
    - 1,167


    Bill Bixby, Lou Ferrigno, Jack Colvin

    ;
  47. 47
    + 973
    - 845


    Roddy McDowall, Ron Harper, James Naughton

    ;
  48. 48
    + 1,151
    - 1,103


    William Hurt, Alec Newman, Giancarlo Giannini

    ;
  49. 49
    + 1,272
    - 1,428


    Joel Hodgson, Michael J. Nelson, Trace Beaulieu

    ;
  50. 50
    + 1,502
    - 1,428


    John Lithgow, Jane Curtin, Kristen Johnston

    ;
229 +

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