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The Best Sci Fi Television Series of All Time

359k votes 22k voters 444k views 230 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
  • 320 ReRanks
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  1. 1
    + 7,774
    - 3,340


    Nathan Fillion, Gina Torres, Alan Tudyk

    ;
  2. 2
    + 5,881
    - 2,682


    Patrick Stewart, Brent Spiner, Jonathan Frakes

    ;
  3. 3
    + 6,923
    - 2,806


    Edward James Olmos, Mary McDonnell, Jamie Bamber

    ;
  4. 4
    + 5,046
    - 2,104


    William Shatner, Leonard Nimoy, DeForest Kelley

    ;
  5. 5
    + 6,103
    - 3,421

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

    ;
  6. 6
    + 5,225
    - 2,328


    David Duchovny, Gillian Anderson, Mitch Pileggi

    ;
  7. 7
    + 5,331
    - 2,101


    Richard Dean Anderson, Michael Shanks, Amanda Tapping

    ;
  8. 8
    + 3,575
    - 1,947


    Rod Serling, Robert McCord, Jay Overholts

    ;
  9. 9
    + 4,670
    - 3,777

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

    ;
  10. 10
    + 3,434
    - 2,049


    Avery Brooks, Rene Auberjonois, Cirroc Lofton

    ;
  11. 11
    + 4,160
    - 2,421


    Anna Torv, Joshua Jackson, Jasika Nicole

    ;
  12. 12
    + 3,588
    - 2,269


    Ben Browder, Claudia Black, Anthony Simcoe

    ;
  13. 13
    + 3,302
    - 1,923


    Kate Mulgrew, Robert Beltran, Roxann Dawson

    ;
  14. 14
    + 2,853
    - 1,862


    Scott Bakula, Dean Stockwell, Deborah Pratt

    ;
  15. 15
    + 2,953
    - 1,664


    Joe Flanigan, Rachel Luttrell, David Hewlett

    ;
  16. 16
    + 2,940
    - 1,695


    Scott Bakula, John Billingsley, Jolene Blalock

    ;
  17. 17
    + 2,571
    - 2,025


    John Barrowman, Eve Myles, Kai Owen

    ;
  18. 18
    + 3,293
    - 2,128


    Billy West, John DiMaggio, Katey Sagal

    ;
  19. 19
    + 2,690
    - 1,921


    Colin Ferguson, Salli Richardson-Whitfield, Erica Cerra

    ;
  20. 20
    + 2,642
    - 2,312


    Hayden Panettiere, Jack Coleman, Milo Ventimiglia

    ;
  21. 21
    + 2,975
    - 2,912


    Naveen Andrews, Matthew Fox, Jorge Garcia

    ;
  22. 22
    + 1,882
    - 1,535

    added by Richard777
    Kevin Conway, Joe Pascual

    ;
  23. 23
    + 2,273
    - 1,692


    Eddie McClintock, Joanne Kelly, Saul Rubinek

    ;
  24. 24
    + 2,292
    - 1,815


    Elizabeth Mitchell, Morris Chestnut, Joel Gretsch

    ;
  25. 25
    + 1,219
    - 537

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

    ;
  26. 26
    + 1,912
    - 1,682


    Chris Barrie, Craig Charles, Danny John-Jules

    ;
  27. 27
    + 1,878
    - 1,526


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

    ;
  28. 28
    + 2,129
    - 1,845


    Lena Headey, Thomas Dekker, Summer Glau

    ;
  29. 29
    + 894
    - 157

    ranked low on reranks
    Barry Jones

    ;
  30. 30
    + 1,264
    - 999


    Stephen Moore, Simon Jones, David Dixon

    ;
  31. 31
    + 1,812
    - 1,481


    Robert Carlyle, Louis Ferreira, Brian J. Smith

    ;
  32. 32
    + 1,471
    - 1,319


    Lee Majors, Richard Anderson, Martin E. Brooks

    ;
  33. 33
    + 1,560
    - 1,695


    Eliza Dushku, Harry Lennix, Fran Kranz

    ;
  34. 34
    + 1,368
    - 1,222

    added by toddrh
    Rachel Nichols, Stephen Lobo, Victor Webster

    ;
  35. 35
    + 1,547
    - 1,669

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

    ;
  36. 36
    + 1,255
    - 995

    added by huggums537
    Gil Gerard, Erin Gray, Felix Silla

    ;
  37. 37
    + 1,590
    - 1,345

    added by dustman025
    Noah Wyle, Drew Roy, Maxim Knight

    ;
  38. 38
    + 336
    - 122

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

    ;
  39. 39
    + 1,599
    - 1,448


    Lucy Lawless, Renée O'Connor, Ted Raimi

    ;
  40. 40
    + 886
    - 191

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

    ;
  41. 41
    + 1,514
    - 1,533


    Jessica Alba, Michael Weatherly, Richard Gunn

    ;
  42. 42
    + 1,290
    - 1,210


    Guy Williams, June Lockhart, Mark Goddard

    ;
  43. 43
    + 1,441
    - 1,534


    Kevin Sorbo, Lisa Ryder, Laura Bertram

    ;
  44. 44
    + 1,103
    - 910

    added by wiabux
    Adrian Paul, Stan Kirsch, Jim Byrnes

    ;
  45. 45
    + 1,083
    - 1,131


    Bill Bixby, Lou Ferrigno, Jack Colvin

    ;
  46. 46
    + 942
    - 810


    Roddy McDowall, Ron Harper, James Naughton

    ;
  47. 47
    + 1,106
    - 1,071


    William Hurt, Alec Newman, Giancarlo Giannini

    ;
  48. 48
    + 543
    - 361

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

    ;
  49. 49
    + 1,232
    - 1,396


    Joel Hodgson, Michael J. Nelson, Trace Beaulieu

    ;
  50. 50
    + 1,312
    - 1,405


    Amanda Tapping, Robin Dunne, Christopher Heyerdahl

    ;
231 +

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