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The Best Sci Fi Television Series of All Time

390k votes 24k voters 495k views 280 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
  • 335 ReRanks
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  1. 1
    + 6,288
    - 2,915

    most listed
    Patrick Stewart, Brent Spiner, Jonathan Frakes

    ;
  2. 2
    + 8,325
    - 3,573


    Nathan Fillion, Gina Torres, Alan Tudyk

    ;
  3. 3
    + 5,383
    - 2,274


    William Shatner, Leonard Nimoy, DeForest Kelley

    ;
  4. 4
    + 7,436
    - 3,004


    Edward James Olmos, Mary McDonnell, Jamie Bamber

    ;
  5. 5
    + 6,509
    - 3,640

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

    ;
  6. 6
    + 5,580
    - 2,482


    David Duchovny, Gillian Anderson, Mitch Pileggi

    ;
  7. 7
    + 5,690
    - 2,268


    Richard Dean Anderson, Michael Shanks, Amanda Tapping

    ;
  8. 8
    + 3,845
    - 2,076


    Rod Serling, Robert McCord, Jay Overholts

    ;
  9. 9
    + 3,709
    - 2,223


    Avery Brooks, Rene Auberjonois, Cirroc Lofton

    ;
  10. 10
    + 4,921
    - 3,946

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

    ;
  11. 11
    + 4,482
    - 2,574


    Anna Torv, Joshua Jackson, Jasika Nicole

    ;
  12. 12
    + 3,836
    - 2,421


    Ben Browder, Claudia Black, Anthony Simcoe

    ;
  13. 13
    + 3,551
    - 2,064


    Kate Mulgrew, Robert Beltran, Roxann Dawson

    ;
  14. 14
    + 3,065
    - 1,992


    Scott Bakula, Dean Stockwell, Deborah Pratt

    ;
  15. 15
    + 3,234
    - 1,794


    Joe Flanigan, Rachel Luttrell, David Hewlett

    ;
  16. 16
    + 3,160
    - 1,833


    Scott Bakula, John Billingsley, Jolene Blalock

    ;
  17. 17
    + 3,574
    - 2,254


    Billy West, John DiMaggio, Katey Sagal

    ;
  18. 18
    + 2,741
    - 2,184


    John Barrowman, Eve Myles, Kai Owen

    ;
  19. 19
    + 2,890
    - 2,048


    Colin Ferguson, Salli Richardson-Whitfield, Erica Cerra

    ;
  20. 20
    + 2,831
    - 2,460


    Hayden Panettiere, Jack Coleman, Milo Ventimiglia

    ;
  21. 21
    + 3,200
    - 3,086


    Naveen Andrews, Matthew Fox, Jorge Garcia

    ;
  22. 22
    + 1,474
    - 630

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

    ;
  23. 23
    + 2,020
    - 1,652

    added by Richard777
    Kevin Conway, Joe Pascual

    ;
  24. 24
    + 2,473
    - 1,808


    Eddie McClintock, Joanne Kelly, Saul Rubinek

    ;
  25. 25
    + 2,428
    - 1,943


    Elizabeth Mitchell, Morris Chestnut, Joel Gretsch

    ;
  26. 26
    + 2,032
    - 1,808


    Chris Barrie, Craig Charles, Danny John-Jules

    ;
  27. 27
    + 2,012
    - 1,631


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

    ;
  28. 28
    + 2,267
    - 1,958


    Lena Headey, Thomas Dekker, Summer Glau

    ;
  29. 29
    + 1,995
    - 1,605


    Robert Carlyle, Louis Ferreira, Brian J. Smith

    ;
  30. 30
    + 558
    - 228

    added by nymless
    Clark Gregg, Ming-Na Wen, Brett Dalton

    ;
  31. 31
    + 1,056
    - 294

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

    ;
  32. 32
    + 1,367
    - 1,102


    Stephen Moore, Simon Jones, David Dixon

    ;
  33. 33
    + 1,569
    - 1,424


    Lee Majors, Richard Anderson, Martin E. Brooks

    ;
  34. 34
    + 1,500
    - 1,328

    added by toddrh
    Rachel Nichols, Stephen Lobo, Victor Webster

    ;
  35. 35
    + 1,357
    - 1,088

    added by huggums537
    Gil Gerard, Erin Gray, Felix Silla

    ;
  36. 36
    + 1,663
    - 1,817

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

    ;
  37. 37
    + 957
    - 301

    ranked low on reranks
    Barry Jones

    ;
  38. 38
    + 1,735
    - 1,449

    added by dustman025
    Noah Wyle, Drew Roy, Maxim Knight

    ;
  39. 39
    + 1,728
    - 1,555


    Lucy Lawless, Renée O'Connor, Ted Raimi

    ;
  40. 40
    + 1,613
    - 1,776


    Martin Landau, Barbara Bain, Nick Tate

    ;
  41. 41
    + 1,620
    - 1,633


    Jessica Alba, Michael Weatherly, Richard Gunn

    ;
  42. 42
    + 1,379
    - 1,298


    Guy Williams, June Lockhart, Mark Goddard

    ;
  43. 43
    + 701
    - 452

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

    ;
  44. 44
    + 1,526
    - 1,631


    Kevin Sorbo, Lisa Ryder, Laura Bertram

    ;
  45. 45
    + 1,171
    - 1,222


    Bill Bixby, Lou Ferrigno, Jack Colvin

    ;
  46. 46
    + 1,020
    - 891


    Roddy McDowall, Ron Harper, James Naughton

    ;
  47. 47
    + 1,209
    - 1,151


    William Hurt, Alec Newman, Giancarlo Giannini

    ;
  48. 48
    + 1,219
    - 1,000

    added by wiabux
    Adrian Paul, Stan Kirsch, Jim Byrnes

    ;
  49. 49
    + 1,573
    - 1,481


    John Lithgow, Jane Curtin, Kristen Johnston

    ;
  50. 50
    + 1,329
    - 1,474


    Joel Hodgson, Michael J. Nelson, Trace Beaulieu

    ;
281 +

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