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.
  • 221 ReRanks
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  1. 1
    Up 4789
    Down 1787

    most listed Christina Hendricks, Summer Glau, Morena Baccarin

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  2. 2
    Up 3980
    Down 1815

    Grace Park, Tricia Helfer, Lucy Lawless

    open
  3. 3
    Up 3187
    Down 1308

    Whoopi Goldberg, Patrick Stewart, Wil Wheaton

    open
  4. 4
    Up 3392
    Down 1810

    Eric Roberts, Tom Baker, Paul McGann

    open
  5. 5
    Up 2837
    Down 1315

    William Shatner, Leonard Nimoy, George Takei

    open
  6. 6
    Up 3227
    Down 1440

    Gillian Anderson, Lucy Lawless, David Duchovny

    open
  7. 7
    Up 3240
    Down 1289

    Amanda Tapping, Beau Bridges, Claudia Black

    open
  8. 8
    Up 2128
    Down 1198

    Morgan Freeman, Rod Serling, John McGiver

    open
  9. 9
    Up 2697
    Down 1426

    Anna Torv, Joshua Jackson, John Noble

    open
  10. 10
    Up 2944
    Down 2559

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

    open
  11. 11
    Up 2130
    Down 1409

    Claudia Black, Ben Browder, Raelee Hill

    open
  12. 12
    Up 1918
    Down 1220

    Terry Farrell, Rene Auberjonois, Nicole de Boer

    open
  13. 13
    Up 1606
    Down 1084

    Dean Stockwell, Scott Bakula, Deborah Pratt

    open
  14. 14
    Up 1900
    Down 1108

    Jeri Ryan, Kate Mulgrew, Robert Picardo

    open
  15. 15
    Up 2066
    Down 1311

    Katey Sagal, Frank Welker, Billy West

    open
  16. 16
    Up 1536
    Down 908

    Jason Momoa, Jewel Staite, Amanda Tapping

    open
  17. 17
    Up 1424
    Down 1173

    John Barrowman, Lauren Ambrose, Bill Pullman

    open
  18. 18
    Up 1563
    Down 931

    Jolene Blalock, Scott Bakula, Linda Park

    open
  19. 19
    Up 1563
    Down 1137

    Felicia Day, Salli Richardson, Erica Cerra

    open
  20. 20
    Up 1926
    Down 1819

    Evangeline Lilly, Ian Somerhalder, Michelle Rodriguez

    open
  21. 21
    Up 1642
    Down 1388

    Hayden Panettiere, Kristen Bell, Ali Larter

    open
  22. 22
    Up 1210
    Down 925

    Joanne Kelly, Jaime Murray, Allison Scagliotti

    open
  23. 23
    Up 1048
    Down 892

    David McCallum, Kevin Conway, Beau Bridges

    open
  24. 24
    Up 1088
    Down 970

    Craig Charles, Danny John-Jules, Chloë Annett

    open
  25. 25
    Up 1350
    Down 1114

    Lena Headey, Summer Glau, Shirley Manson

    open
  26. 26
    Up 1190
    Down 1159

    Michael Ironside, Robert Englund, Lane Smith

    open
  27. 27
    Up 937
    Down 718

    Robert Carlyle, Ming-Na Wen, Lou Diamond Phillips

    open
  28. 28
    Up 1044
    Down 898

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

    open
  29. 29
    Up 819
    Down 648

    added by dustman025 Moon Bloodgood, Sarah Carter, Noah Wyle

    open
  30. 30
    Up 596
    Down 550

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

    open
  31. 31
    Up 486
    Down 448

    Stephen Moore, Simon Jones, Sandra Dickinson

    open
  32. 32
    Up 835
    Down 992

    Eliza Dushku, Amy Acker, Alan Tudyk

    open
  33. 33
    Up 787
    Down 821

    Amanda Tapping, Agam Darshi, Robin Dunne

    open
  34. 34
    Up 805
    Down 922

    Lexa Doig, Brandy Ledford, Kevin Sorbo

    open
  35. 35
    Up 857
    Down 806

    Lucy Lawless, Karl Urban, Hudson Leick

    open
  36. 36
    Up 689
    Down 768

    Bill Corbett, Kevin Murphy, Joel Hodgson

    open
  37. 37
    Up 498
    Down 491

    Susan Sarandon, William Hurt, Giancarlo Giannini

    open
  38. 38
    Up 471
    Down 361

    ranked low on reranks & added by huggums537 Mel Blanc, Phil Hartman, Frank Welker

    open
  39. 39
    Up 868
    Down 926

    Jessica Alba, Jensen Ackles, Michael Weatherly

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  40. 40
    Up 742
    Down 894

    often listed & ranked high on reranks Brooke Nevin, Megalyn Echikunwoke, Peter Coyote

    open
  41. 41
    Up 523
    Down 448

    added by huggums537 Mel Blanc, Erin Gray, Pamela Hensley

    open
  42. 42
    Up 737
    Down 745

    Lee Majors, Martin Balsam, Alan Oppenheimer

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  43. 43
    Up 403
    Down 314

    added by wiabux Marion Cotillard, Jason Isaacs, Stella Stevens

    open
  44. 44
    Up 636
    Down 568

    Jason O'Mara, Stephen Lang, Christine Adams

    open
  45. 45
    Up 649
    Down 642

    Marta Kristen, June Lockhart, Jonathan Harris

    open
  46. 46
    Up 578
    Down 783

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

    open
  47. 47
    Up 863
    Down 816

    Joseph Gordon-Levitt, John Lithgow, Jane Curtin

    open
  48. 48
    Up 507
    Down 645

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

    open
  49. 49
    Up 520
    Down 580

    Lou Ferrigno, Bill Bixby, Ted Cassidy

    open
  50. 50
    Up 407
    Down 356

    added by fjleonard213 Mark Pellegrino, Samuel Witwer, Meaghan Rath

    open
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