The Best Sci Fi Television Series of All Time TV Programs
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179  items 171,807 votes 12,877 voters 275,629 views more info

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.
  • 222 ReRanks
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  1. 1
    Up 4721
    Down 1760

    most listed Christina Hendricks, Summer Glau, Morena Baccarin

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  2. 2
    Up 3922
    Down 1783

    Grace Park, Tricia Helfer, Lucy Lawless

    open
  3. 3
    Up 3134
    Down 1284

    Whoopi Goldberg, Patrick Stewart, Wil Wheaton

    open
  4. 4
    Up 3342
    Down 1786

    Eric Roberts, Tom Baker, Paul McGann

    open
  5. 5
    Up 2792
    Down 1298

    William Shatner, Leonard Nimoy, George Takei

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  6. 6
    Up 3184
    Down 1416

    Gillian Anderson, Lucy Lawless, David Duchovny

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  7. 7
    Up 3205
    Down 1263

    Amanda Tapping, Beau Bridges, Claudia Black

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  8. 8
    Up 2074
    Down 1189

    Morgan Freeman, Rod Serling, John McGiver

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  9. 9
    Up 2662
    Down 1400

    Anna Torv, Joshua Jackson, John Noble

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  10. 10
    Up 2910
    Down 2531

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

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  11. 11
    Up 2101
    Down 1384

    Claudia Black, Ben Browder, Raelee Hill

    open
  12. 12
    Up 1886
    Down 1196

    Terry Farrell, Rene Auberjonois, Nicole de Boer

    open
  13. 13
    Up 1580
    Down 1064

    Dean Stockwell, Scott Bakula, Deborah Pratt

    open
  14. 14
    Up 1869
    Down 1081

    Jeri Ryan, Kate Mulgrew, Robert Picardo

    open
  15. 15
    Up 2043
    Down 1289

    Katey Sagal, Frank Welker, Billy West

    open
  16. 16
    Up 1510
    Down 885

    Jason Momoa, Jewel Staite, Amanda Tapping

    open
  17. 17
    Up 1401
    Down 1147

    John Barrowman, Lauren Ambrose, Bill Pullman

    open
  18. 18
    Up 1533
    Down 913

    Jolene Blalock, Scott Bakula, Linda Park

    open
  19. 19
    Up 1542
    Down 1115

    Felicia Day, Salli Richardson, Erica Cerra

    open
  20. 20
    Up 1899
    Down 1791

    Evangeline Lilly, Ian Somerhalder, Michelle Rodriguez

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  21. 21
    Up 1621
    Down 1367

    Hayden Panettiere, Kristen Bell, Ali Larter

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  22. 22
    Up 1187
    Down 907

    Joanne Kelly, Jaime Murray, Allison Scagliotti

    open
  23. 23
    Up 1021
    Down 880

    David McCallum, Kevin Conway, Beau Bridges

    open
  24. 24
    Up 1075
    Down 951

    Craig Charles, Danny John-Jules, Chloë Annett

    open
  25. 25
    Up 1336
    Down 1091

    Lena Headey, Summer Glau, Shirley Manson

    open
  26. 26
    Up 1163
    Down 1141

    often listed Michael Ironside, Robert Englund, Lane Smith

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  27. 27
    Up 916
    Down 699

    Robert Carlyle, Ming-Na Wen, Lou Diamond Phillips

    open
  28. 28
    Up 1028
    Down 880

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

    open
  29. 29
    Up 806
    Down 627

    added by dustman025 Moon Bloodgood, Sarah Carter, Noah Wyle

    open
  30. 30
    Up 575
    Down 532

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

    open
  31. 31
    Up 470
    Down 431

    Stephen Moore, Simon Jones, Sandra Dickinson

    open
  32. 32
    Up 819
    Down 976

    Eliza Dushku, Amy Acker, Alan Tudyk

    open
  33. 33
    Up 775
    Down 805

    Amanda Tapping, Agam Darshi, Robin Dunne

    open
  34. 34
    Up 840
    Down 788

    Lucy Lawless, Karl Urban, Hudson Leick

    open
  35. 35
    Up 790
    Down 903

    often listed & ranked high on reranks Lexa Doig, Brandy Ledford, Kevin Sorbo

    open
  36. 36
    Up 458
    Down 349

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

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  37. 37
    Up 488
    Down 473

    Susan Sarandon, William Hurt, Giancarlo Giannini

    open
  38. 38
    Up 681
    Down 750

    Bill Corbett, Kevin Murphy, Joel Hodgson

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  39. 39
    Up 507
    Down 436

    added by huggums537 Mel Blanc, Erin Gray, Pamela Hensley

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  40. 40
    Up 849
    Down 913

    Jessica Alba, Jensen Ackles, Michael Weatherly

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  41. 41
    Up 726
    Down 879

    Brooke Nevin, Megalyn Echikunwoke, Peter Coyote

    open
  42. 42
    Up 721
    Down 733

    Lee Majors, Martin Balsam, Alan Oppenheimer

    open
  43. 43
    Up 631
    Down 630

    Marta Kristen, June Lockhart, Jonathan Harris

    open
  44. 44
    Up 856
    Down 798

    Joseph Gordon-Levitt, John Lithgow, Jane Curtin

    open
  45. 45
    Up 389
    Down 303

    added by wiabux Marion Cotillard, Jason Isaacs, Stella Stevens

    open
  46. 46
    Up 619
    Down 550

    Jason O'Mara, Stephen Lang, Christine Adams

    open
  47. 47
    Up 495
    Down 630

    Jeff Doucette, James Greene, Eric Pierpoint

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  48. 48
    Up 564
    Down 773

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

    open
  49. 49
    Up 360
    Down 268

    ranked low on reranks Roddy McDowall, James Naughton, Mark Lenard

    open
  50. 50
    Up 506
    Down 570

    often listed & ranked high on reranks Lou Ferrigno, Bill Bixby, Ted Cassidy

    open
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