The Best Sci Fi Television Series of All Time TV Programs
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179  items 171,538 votes 12,869 voters 275,204 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 4719
    Down 1759

    most listed Christina Hendricks, Summer Glau, Morena Baccarin

    open
  2. 2
    Up 3133
    Down 1284

    Whoopi Goldberg, Patrick Stewart, Wil Wheaton

    open
  3. 3
    Up 3917
    Down 1783

    Grace Park, Tricia Helfer, Lucy Lawless

    open
  4. 4
    Up 3341
    Down 1785

    Eric Roberts, Tom Baker, Paul McGann

    open
  5. 5
    Up 2791
    Down 1296

    William Shatner, Leonard Nimoy, George Takei

    open
  6. 6
    Up 3182
    Down 1415

    Gillian Anderson, Lucy Lawless, David Duchovny

    open
  7. 7
    Up 3202
    Down 1262

    Amanda Tapping, Beau Bridges, Claudia Black

    open
  8. 8
    Up 2073
    Down 1188

    Morgan Freeman, Rod Serling, John McGiver

    open
  9. 9
    Up 2661
    Down 1399

    Anna Torv, Joshua Jackson, John Noble

    open
  10. 10
    Up 2910
    Down 2530

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

    open
  11. 11
    Up 2100
    Down 1384

    Claudia Black, Ben Browder, Raelee Hill

    open
  12. 12
    Up 1885
    Down 1196

    Terry Farrell, Rene Auberjonois, Nicole de Boer

    open
  13. 13
    Up 1578
    Down 1064

    Dean Stockwell, Scott Bakula, Deborah Pratt

    open
  14. 14
    Up 1868
    Down 1081

    Jeri Ryan, Kate Mulgrew, Robert Picardo

    open
  15. 15
    Up 2042
    Down 1289

    Katey Sagal, Frank Welker, Billy West

    open
  16. 16
    Up 1507
    Down 884

    Jason Momoa, Jewel Staite, Amanda Tapping

    open
  17. 17
    Up 1401
    Down 1146

    John Barrowman, Lauren Ambrose, Bill Pullman

    open
  18. 18
    Up 1532
    Down 913

    Jolene Blalock, Scott Bakula, Linda Park

    open
  19. 19
    Up 1542
    Down 1113

    Felicia Day, Salli Richardson, Erica Cerra

    open
  20. 20
    Up 1898
    Down 1790

    Evangeline Lilly, Ian Somerhalder, Michelle Rodriguez

    open
  21. 21
    Up 1620
    Down 1366

    Hayden Panettiere, Kristen Bell, Ali Larter

    open
  22. 22
    Up 1187
    Down 906

    Joanne Kelly, Jaime Murray, Allison Scagliotti

    open
  23. 23
    Up 1020
    Down 880

    David McCallum, Kevin Conway, Beau Bridges

    open
  24. 24
    Up 1075
    Down 950

    Craig Charles, Danny John-Jules, Chloë Annett

    open
  25. 25
    Up 1336
    Down 1090

    Lena Headey, Summer Glau, Shirley Manson

    open
  26. 26
    Up 1161
    Down 1141

    often listed Michael Ironside, Robert Englund, Lane Smith

    open
  27. 27
    Up 914
    Down 698

    Robert Carlyle, Ming-Na Wen, Lou Diamond Phillips

    open
  28. 28
    Up 1027
    Down 879

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

    open
  29. 29
    Up 806
    Down 626

    added by dustman025 Moon Bloodgood, Sarah Carter, Noah Wyle

    open
  30. 30
    Up 574
    Down 531

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

    open
  31. 31
    Up 470
    Down 429

    Stephen Moore, Simon Jones, Sandra Dickinson

    open
  32. 32
    Up 818
    Down 975

    often listed Eliza Dushku, Amy Acker, Alan Tudyk

    open
  33. 33
    Up 775
    Down 804

    Amanda Tapping, Agam Darshi, Robin Dunne

    open
  34. 34
    Up 838
    Down 788

    Lucy Lawless, Karl Urban, Hudson Leick

    open
  35. 35
    Up 790
    Down 902

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

    open
  36. 36
    Up 456
    Down 349

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

    open
  37. 37
    Up 487
    Down 473

    Susan Sarandon, William Hurt, Giancarlo Giannini

    open
  38. 38
    Up 507
    Down 435

    added by huggums537 Mel Blanc, Erin Gray, Pamela Hensley

    open
  39. 39
    Up 680
    Down 750

    Bill Corbett, Kevin Murphy, Joel Hodgson

    open
  40. 40
    Up 849
    Down 912

    Jessica Alba, Jensen Ackles, Michael Weatherly

    open
  41. 41
    Up 725
    Down 878

    Brooke Nevin, Megalyn Echikunwoke, Peter Coyote

    open
  42. 42
    Up 721
    Down 731

    Lee Majors, Martin Balsam, Alan Oppenheimer

    open
  43. 43
    Up 630
    Down 630

    Marta Kristen, June Lockhart, Jonathan Harris

    open
  44. 44
    Up 855
    Down 797

    Joseph Gordon-Levitt, John Lithgow, Jane Curtin

    open
  45. 45
    Up 388
    Down 303

    added by wiabux Marion Cotillard, Jason Isaacs, Stella Stevens

    open
  46. 46
    Up 619
    Down 549

    Jason O'Mara, Stephen Lang, Christine Adams

    open
  47. 47
    Up 494
    Down 629

    often listed Jeff Doucette, James Greene, Eric Pierpoint

    open
  48. 48
    Up 360
    Down 266

    Roddy McDowall, James Naughton, Mark Lenard

    open
  49. 49
    Up 564
    Down 772

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

    open
  50. 50
    Up 505
    Down 569

    often listed Lou Ferrigno, Bill Bixby, Ted Cassidy

    open
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