The Best Sci Fi Television Series of All Time

5 21 of 64
345,892 votes 21,316 voters 429,576 views 227 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
  • 314 ReRanks
    • Women
    • Men
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    • Region
  • 2 See list ranked by
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  1. 1
    + 7483
    - 2954


    Christina Hendricks, Summer Glau, Morena Baccarin

    ;
  2. 2
    + 5623
    - 2325


    Whoopi Goldberg, Patrick Stewart, Wil Wheaton

    ;
  3. 3
    + 5874
    - 3035

    the people's #1 & most listed
    Tom Baker, Eric Roberts, Jon Pertwee

    ;
  4. 4
    + 6443
    - 2713


    Grace Park, Lucy Lawless, Tricia Helfer

    ;
  5. 5
    + 4838
    - 2035


    William Shatner, Leonard Nimoy, George Takei

    ;
  6. 6
    + 5063
    - 2248


    Gillian Anderson, Lucy Lawless, David Duchovny

    ;
  7. 7
    + 5159
    - 2032


    Amanda Tapping, Beau Bridges, Claudia Black

    ;
  8. 8
    + 3494
    - 1886


    Morgan Freeman, Morgan Brittany, Rod Serling

    ;
  9. 9
    + 4045
    - 2352


    Anna Torv, Joshua Jackson, John Noble

    ;
  10. 10
    + 4573
    - 3718

    often listed & ranked high on reranks
    Tracy Scoggins, Jeff Conaway, Bruce Boxleitner

    ;
  11. 11
    + 3337
    - 1995


    Terry Farrell, Colm Meaney, Avery Brooks

    ;
  12. 12
    + 3509
    - 2210


    Claudia Black, Gigi Edgley, Ben Browder

    ;
  13. 13
    + 3212
    - 1873


    Jeri Ryan, Kate Mulgrew, Roxann Dawson

    ;
  14. 14
    + 2778
    - 1819


    Scott Bakula, Dean Stockwell, Deborah Pratt

    ;
  15. 15
    + 2850
    - 1618


    Jason Momoa, Jewel Staite, Amanda Tapping

    ;
  16. 16
    + 2844
    - 1654


    Jolene Blalock, Linda Park, Scott Bakula

    ;
  17. 17
    + 2516
    - 1965


    John Barrowman, Lauren Ambrose, Bill Pullman

    ;
  18. 18
    + 3219
    - 2084


    Katey Sagal, Frank Welker, Billy West

    ;
  19. 19
    + 2626
    - 1875


    Felicia Day, Wil Wheaton, Salli Richardson

    ;
  20. 20
    + 2575
    - 2248


    Hayden Panettiere, Kristen Bell, Ali Larter

    ;
  21. 21
    + 2901
    - 2850


    Evangeline Lilly, Ian Somerhalder, Michelle Rodriguez

    ;
  22. 22
    + 1834
    - 1494

    added by Richard777
    Kevin Conway, Joe Pascual

    ;
  23. 23
    + 2212
    - 1641


    Allison Scagliotti, Joanne Kelly, Jaime Murray

    ;
  24. 24
    + 2226
    - 1775


    Laura Vandervoort, Morena Baccarin, Elizabeth Mitchell

    ;
  25. 25
    + 1154
    - 499

    ranked low on reranks & added by JimmyPaton
    Patrick Macnee, Lorne Greene ... Marshall Cole, Maren Jensen

    ;
  26. 26
    + 1864
    - 1644


    Craig Charles, Danny John-Jules, Chris Barrie

    ;
  27. 27
    + 2084
    - 1799


    Lena Headey, Summer Glau, Shirley Manson

    ;
  28. 28
    + 1820
    - 1500


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

    ;
  29. 29
    + 1236
    - 960


    Stephen Moore, Simon Jones, David Dixon

    ;
  30. 30
    + 1757
    - 1441


    Ming-Na Wen, Robert Carlyle, Julia Benson

    ;
  31. 31
    + 1435
    - 1287


    Lee Majors, Martin Balsam, Richard Anderson

    ;
  32. 32
    + 1325
    - 1184

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

    ;
  33. 33
    + 1229
    - 956

    added by huggums537
    Mel Blanc, Erin Gray, Pamela Hensley

    ;
  34. 34
    + 1522
    - 1658


    Eliza Dushku, Amy Acker, Alan Tudyk

    ;
  35. 35
    + 1517
    - 1633


    Martin Landau, Catherine Schell, Barry Morse

    ;
  36. 36
    + 1542
    - 1305

    added by dustman025
    Moon Bloodgood, Sarah Carter, Noah Wyle

    ;
  37. 37
    + 1548
    - 1420


    Lucy Lawless, Karl Urban, Hudson Leick

    ;
  38. 38
    + 1475
    - 1509


    Jessica Alba, Jensen Ackles, Ashley Scott

    ;
  39. 39
    + 1255
    - 1178


    Marta Kristen, June Lockhart, Guy Williams

    ;
  40. 40
    + 1407
    - 1510


    Lexa Doig, Brandy Ledford, Kevin Sorbo

    ;
  41. 41
    + 915
    - 778


    Roddy McDowall, James Naughton, Mark Lenard

    ;
  42. 42
    + 1215
    - 1359

    often listed & ranked high on reranks
    Bill Corbett, Kevin Murphy, Joel Hodgson

    ;
  43. 43
    + 1065
    - 883

    added by wiabux
    Marion Cotillard, Jason Isaacs, Stella Stevens

    ;
  44. 44
    + 1071
    - 1044


    Susan Sarandon, William Hurt, Alice Krige

    ;
  45. 45
    + 1058
    - 1103


    Lou Ferrigno, Bill Bixby, Ted Cassidy

    ;
  46. 46
    + 493
    - 328

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

    ;
  47. 47
    + 1257
    - 1211


    Stephen Lang, Jason O'Mara, Christine Adams

    ;
  48. 48
    + 1429
    - 1373


    Joseph Gordon-Levitt, John Lithgow, Jane Curtin

    ;
  49. 49
    + 962
    - 1174

    often listed
    Jeff Doucette, James Greene, Jenny Gago

    ;
  50. 50
    + 1282
    - 1381


    Amanda Tapping, Agam Darshi, Emilie Ullerup

    ;
228 +

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