329,033 votes 20,265 voters 410,530 views 226 items tags f p @

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.

  • 302 ReRanks
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  1. 1
    + 7194
    - 2784


    Christina Hendricks, Summer Glau, Morena Baccarin Watch for Free with Amazon Prime Free Trial

    ;
  2. 2
    + 5371
    - 2186


    Whoopi Goldberg, Patrick Stewart, Wil Wheaton Watch for Free with Amazon Prime Free Trial

    ;
  3. 3
    + 5650
    - 2867

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

    ;
  4. 4
    + 6123
    - 2619


    Grace Park, Lucy Lawless, Tricia Helfer

    ; watch now
  5. 5
    + 4583
    - 1960


    William Shatner, Leonard Nimoy, George Takei

    ; watch now
  6. 6
    + 4854
    - 2142


    Gillian Anderson, Lucy Lawless, David Duchovny Watch for Free with Amazon Prime Free Trial

    ;
  7. 7
    + 4945
    - 1934


    Amanda Tapping, Beau Bridges, Claudia Black Watch for Free with Amazon Prime Free Trial

    ;
  8. 8
    + 3357
    - 1801


    Morgan Freeman, Morgan Brittany, Rod Serling

    ; watch now
  9. 9
    + 3881
    - 2231


    Anna Torv, Joshua Jackson, John Noble Watch for Free with Amazon Prime Free Trial

    ;
  10. 10
    + 4427
    - 3615

    often listed & Ranked High on Reranks
    Tracy Scoggins, Jeff Conaway, Bruce Boxleitner

    ;
  11. 11
    + 3194
    - 1908


    Terry Farrell, Colm Meaney, Avery Brooks Watch for Free with Amazon Prime Free Trial

    ;
  12. 12
    + 3367
    - 2111


    Claudia Black, Gigi Edgley, Ben Browder

    ;
  13. 13
    + 3087
    - 1767


    Jeri Ryan, Kate Mulgrew, Roxann Dawson Watch for Free with Amazon Prime Free Trial

    ;
  14. 14
    + 2649
    - 1744


    Scott Bakula, Dean Stockwell, Deborah Pratt

    ;
  15. 15
    + 2708
    - 1583


    Jolene Blalock, Linda Park, Scott Bakula Watch for Free with Amazon Prime Free Trial

    ;
  16. 16
    + 2422
    - 1872


    John Barrowman, Lauren Ambrose, Bill Pullman

    ;
  17. 17
    + 2673
    - 1547


    Jason Momoa, Jewel Staite, Amanda Tapping Watch for Free with Amazon Prime Free Trial

    ;
  18. 18
    + 3104
    - 1996


    Katey Sagal, Frank Welker, Billy West

    ;
  19. 19
    + 2523
    - 1804


    Felicia Day, Wil Wheaton, Salli Richardson

    ;
  20. 20
    + 2487
    - 2147


    Hayden Panettiere, Kristen Bell, Ali Larter

    ;
  21. 21
    + 2800
    - 2742


    Evangeline Lilly, Ian Somerhalder, Michelle Rodriguez

    ;
  22. 22
    + 1757
    - 1421

    added by Richard777
    Kevin Conway, Joe Pascual

    ;
  23. 23
    + 2121
    - 1563


    Allison Scagliotti, Joanne Kelly, Jaime Murray

    ;
  24. 24
    + 2142
    - 1701


    Laura Vandervoort, Morena Baccarin, Elizabeth Mitchell

    ;
  25. 25
    + 1036
    - 447

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

    ; watch now
  26. 26
    + 1792
    - 1573


    Craig Charles, Danny John-Jules, Chris Barrie

    ;
  27. 27
    + 1744
    - 1437


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

    ;
  28. 28
    + 2003
    - 1733


    Lena Headey, Summer Glau, Shirley Manson

    ;
  29. 29
    + 1179
    - 900


    Stephen Moore, Simon Jones, David Dixon

    ; watch now
  30. 30
    + 1664
    - 1367


    Ming-Na Wen, Robert Carlyle, Julia Benson Watch for Free with Amazon Prime Free Trial

    ;
  31. 31
    + 1169
    - 899

    added by huggums537
    Mel Blanc, Erin Gray, Pamela Hensley

    ; watch now
  32. 32
    + 1361
    - 1233


    Lee Majors, Martin Balsam, Richard Anderson

    ; buy at  
  33. 33
    + 1461
    - 1577


    Martin Landau, Catherine Schell, Barry Morse

    ; watch now
  34. 34
    + 1430
    - 1602


    Eliza Dushku, Amy Acker, Alan Tudyk Watch for Free with Amazon Prime Free Trial

    ;
  35. 35
    + 1466
    - 1244

    added by dustman025
    Moon Bloodgood, Sarah Carter, Noah Wyle Watch for Free with Amazon Prime Free Trial

    ;
  36. 36
    + 1477
    - 1358


    Lucy Lawless, Karl Urban, Hudson Leick

    ;
  37. 37
    + 1220
    - 1132

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

    ;
  38. 38
    + 1213
    - 1110


    Marta Kristen, June Lockhart, Guy Williams

    ;
  39. 39
    + 1405
    - 1462


    Jessica Alba, Jensen Ackles, Ashley Scott

    ; buy at  
  40. 40
    + 1353
    - 1452


    Lexa Doig, Brandy Ledford, Kevin Sorbo

    ; buy at  
  41. 41
    + 864
    - 726


    Roddy McDowall, James Naughton, Mark Lenard

    ; buy at  
  42. 42
    + 1017
    - 982


    Susan Sarandon, William Hurt, Alice Krige

    ; buy at  
  43. 43
    + 1170
    - 1294


    Bill Corbett, Kevin Murphy, Joel Hodgson

    ; watch now
  44. 44
    + 1007
    - 1046


    Lou Ferrigno, Bill Bixby, Ted Cassidy

    ;
  45. 45
    + 1001
    - 826

    added by wiabux
    Marion Cotillard, Jason Isaacs, Stella Stevens

    ;
  46. 46
    + 1214
    - 1138


    Stephen Lang, Jason O'Mara, Christine Adams

    ;
  47. 47
    + 1371
    - 1315


    Joseph Gordon-Levitt, John Lithgow, Jane Curtin

    ;
  48. 48
    + 908
    - 1118


    Jeff Doucette, James Greene, Jenny Gago

    ;
  49. 49
    + 1186
    - 1487


    Megalyn Echikunwoke, Brooke Nevin, Peter Coyote

    ; watch now
  50. 50
    + 1234
    - 1339


    Amanda Tapping, Agam Darshi, Emilie Ullerup

    ;
227 +

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