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.
  • 225 ReRanks
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  1. 1
    Up 4946
    Down 1846

    most listed Christina Hendricks, Summer Glau, Morena Baccarin

    open
  2. 2
    Up 3533
    Down 1864

    Eric Roberts, Tom Baker, Paul McGann

    open
  3. 3
    Up 3301
    Down 1346

    Whoopi Goldberg, Patrick Stewart, Wil Wheaton

    open
  4. 4
    Up 4106
    Down 1861

    Grace Park, Tricia Helfer, Lucy Lawless

    open
  5. 5
    Up 2939
    Down 1349

    William Shatner, Leonard Nimoy, George Takei

    open
  6. 6
    Up 3333
    Down 1473

    Gillian Anderson, Lucy Lawless, David Duchovny

    open
  7. 7
    Up 3351
    Down 1326

    Amanda Tapping, Beau Bridges, Claudia Black

    open
  8. 8
    Up 2213
    Down 1228

    Morgan Freeman, Rod Serling, John McGiver

    open
  9. 9
    Up 2786
    Down 1471

    Anna Torv, Joshua Jackson, John Noble

    open
  10. 10
    Up 3007
    Down 2607

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

    open
  11. 11
    Up 2193
    Down 1453

    Claudia Black, Ben Browder, Raelee Hill

    open
  12. 12
    Up 1981
    Down 1264

    Terry Farrell, Rene Auberjonois, Nicole de Boer

    open
  13. 13
    Up 1671
    Down 1117

    Dean Stockwell, Scott Bakula, Deborah Pratt

    open
  14. 14
    Up 2140
    Down 1348

    Katey Sagal, Frank Welker, Billy West

    open
  15. 15
    Up 1971
    Down 1147

    Jeri Ryan, Kate Mulgrew, Robert Picardo

    open
  16. 16
    Up 1609
    Down 942

    Jason Momoa, Jewel Staite, Amanda Tapping

    open
  17. 17
    Up 1491
    Down 1208

    John Barrowman, Lauren Ambrose, Bill Pullman

    open
  18. 18
    Up 1622
    Down 967

    Jolene Blalock, Scott Bakula, Linda Park

    open
  19. 19
    Up 1634
    Down 1168

    Felicia Day, Salli Richardson, Erica Cerra

    open
  20. 20
    Up 1984
    Down 1872

    Evangeline Lilly, Ian Somerhalder, Michelle Rodriguez

    open
  21. 21
    Up 1699
    Down 1444

    Hayden Panettiere, Kristen Bell, Ali Larter

    open
  22. 22
    Up 1275
    Down 963

    Joanne Kelly, Jaime Murray, Allison Scagliotti

    open
  23. 23
    Up 1091
    Down 924

    David McCallum, Kevin Conway, Beau Bridges

    open
  24. 24
    Up 1121
    Down 1009

    Craig Charles, Danny John-Jules, Chloë Annett

    open
  25. 25
    Up 1402
    Down 1153

    Lena Headey, Summer Glau, Shirley Manson

    open
  26. 26
    Up 1245
    Down 1190

    Michael Ironside, Robert Englund, Lane Smith

    open
  27. 27
    Up 982
    Down 757

    Robert Carlyle, Ming-Na Wen, Lou Diamond Phillips

    open
  28. 28
    Up 1098
    Down 929

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

    open
  29. 29
    Up 871
    Down 684

    added by dustman025 Moon Bloodgood, Sarah Carter, Noah Wyle

    open
  30. 30
    Up 649
    Down 581

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

    open
  31. 31
    Up 526
    Down 474

    Stephen Moore, Simon Jones, Sandra Dickinson

    open
  32. 32
    Up 866
    Down 1027

    Eliza Dushku, Amy Acker, Alan Tudyk

    open
  33. 33
    Up 839
    Down 956

    Lexa Doig, Brandy Ledford, Kevin Sorbo

    open
  34. 34
    Up 816
    Down 856

    Amanda Tapping, Agam Darshi, Robin Dunne

    open
  35. 35
    Up 559
    Down 472

    ranked low on reranks & added by huggums537 Mel Blanc, Erin Gray, Pamela Hensley

    open
  36. 36
    Up 720
    Down 802

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

    open
  37. 37
    Up 888
    Down 843

    Lucy Lawless, Karl Urban, Hudson Leick

    open
  38. 38
    Up 773
    Down 767

    Lee Majors, Martin Balsam, Alan Oppenheimer

    open
  39. 39
    Up 497
    Down 391

    added by huggums537 Mel Blanc, Phil Hartman, Frank Welker

    open
  40. 40
    Up 683
    Down 595

    Jason O'Mara, Stephen Lang, Christine Adams

    open
  41. 41
    Up 434
    Down 345

    added by wiabux Marion Cotillard, Jason Isaacs, Stella Stevens

    open
  42. 42
    Up 527
    Down 527

    Susan Sarandon, William Hurt, Giancarlo Giannini

    open
  43. 43
    Up 898
    Down 960

    Jessica Alba, Jensen Ackles, Michael Weatherly

    open
  44. 44
    Up 771
    Down 928

    Brooke Nevin, Megalyn Echikunwoke, Peter Coyote

    open
  45. 45
    Up 676
    Down 670

    Marta Kristen, June Lockhart, Jonathan Harris

    open
  46. 46
    Up 901
    Down 838

    Joseph Gordon-Levitt, John Lithgow, Jane Curtin

    open
  47. 47
    Up 600
    Down 812

    Martin Landau, Catherine Schell, Barry Morse

    open
  48. 48
    Up 548
    Down 600

    Lou Ferrigno, Bill Bixby, Ted Cassidy

    open
  49. 49
    Up 438
    Down 383

    added by fjleonard213 Mark Pellegrino, Samuel Witwer, Meaghan Rath

    open
  50. 50
    Up 525
    Down 679

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

    open
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