The Best Sci Fi Television Series of All Time TV Programs
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179  items 172,167 votes 12,888 voters 276,114 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 4725
    Down 1762

    most listed Christina Hendricks, Summer Glau, Morena Baccarin

    open
  2. 2
    Up 3926
    Down 1786

    Grace Park, Tricia Helfer, Lucy Lawless

    open
  3. 3
    Up 3138
    Down 1287

    Whoopi Goldberg, Patrick Stewart, Wil Wheaton

    open
  4. 4
    Up 3346
    Down 1788

    Eric Roberts, Tom Baker, Paul McGann

    open
  5. 5
    Up 2795
    Down 1301

    William Shatner, Leonard Nimoy, George Takei

    open
  6. 6
    Up 3187
    Down 1419

    Gillian Anderson, Lucy Lawless, David Duchovny

    open
  7. 7
    Up 3207
    Down 1267

    Amanda Tapping, Beau Bridges, Claudia Black

    open
  8. 8
    Up 2079
    Down 1191

    Morgan Freeman, Rod Serling, John McGiver

    open
  9. 9
    Up 2665
    Down 1402

    Anna Torv, Joshua Jackson, John Noble

    open
  10. 10
    Up 2913
    Down 2535

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

    open
  11. 11
    Up 2102
    Down 1387

    Claudia Black, Ben Browder, Raelee Hill

    open
  12. 12
    Up 1888
    Down 1200

    Terry Farrell, Rene Auberjonois, Nicole de Boer

    open
  13. 13
    Up 1581
    Down 1068

    Dean Stockwell, Scott Bakula, Deborah Pratt

    open
  14. 14
    Up 1871
    Down 1085

    Jeri Ryan, Kate Mulgrew, Robert Picardo

    open
  15. 15
    Up 2046
    Down 1291

    Katey Sagal, Frank Welker, Billy West

    open
  16. 16
    Up 1512
    Down 889

    Jason Momoa, Jewel Staite, Amanda Tapping

    open
  17. 17
    Up 1402
    Down 1151

    John Barrowman, Lauren Ambrose, Bill Pullman

    open
  18. 18
    Up 1537
    Down 916

    Jolene Blalock, Scott Bakula, Linda Park

    open
  19. 19
    Up 1543
    Down 1120

    Felicia Day, Salli Richardson, Erica Cerra

    open
  20. 20
    Up 1901
    Down 1794

    Evangeline Lilly, Ian Somerhalder, Michelle Rodriguez

    open
  21. 21
    Up 1624
    Down 1369

    Hayden Panettiere, Kristen Bell, Ali Larter

    open
  22. 22
    Up 1190
    Down 910

    Joanne Kelly, Jaime Murray, Allison Scagliotti

    open
  23. 23
    Up 1025
    Down 882

    David McCallum, Kevin Conway, Beau Bridges

    open
  24. 24
    Up 1077
    Down 952

    Craig Charles, Danny John-Jules, Chloë Annett

    open
  25. 25
    Up 1338
    Down 1093

    Lena Headey, Summer Glau, Shirley Manson

    open
  26. 26
    Up 1165
    Down 1142

    often listed Michael Ironside, Robert Englund, Lane Smith

    open
  27. 27
    Up 918
    Down 702

    Robert Carlyle, Ming-Na Wen, Lou Diamond Phillips

    open
  28. 28
    Up 1028
    Down 883

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

    open
  29. 29
    Up 807
    Down 630

    added by dustman025 Moon Bloodgood, Sarah Carter, Noah Wyle

    open
  30. 30
    Up 578
    Down 534

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

    open
  31. 31
    Up 472
    Down 431

    Stephen Moore, Simon Jones, Sandra Dickinson

    open
  32. 32
    Up 819
    Down 978

    often listed Eliza Dushku, Amy Acker, Alan Tudyk

    open
  33. 33
    Up 776
    Down 807

    Amanda Tapping, Agam Darshi, Robin Dunne

    open
  34. 34
    Up 842
    Down 789

    Lucy Lawless, Karl Urban, Hudson Leick

    open
  35. 35
    Up 791
    Down 905

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

    open
  36. 36
    Up 459
    Down 350

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

    open
  37. 37
    Up 490
    Down 475

    Susan Sarandon, William Hurt, Giancarlo Giannini

    open
  38. 38
    Up 682
    Down 751

    Bill Corbett, Kevin Murphy, Joel Hodgson

    open
  39. 39
    Up 508
    Down 438

    added by huggums537 Mel Blanc, Erin Gray, Pamela Hensley

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  40. 40
    Up 851
    Down 914

    Jessica Alba, Jensen Ackles, Michael Weatherly

    open
  41. 41
    Up 727
    Down 880

    Brooke Nevin, Megalyn Echikunwoke, Peter Coyote

    open
  42. 42
    Up 723
    Down 734

    Lee Majors, Martin Balsam, Alan Oppenheimer

    open
  43. 43
    Up 632
    Down 631

    Marta Kristen, June Lockhart, Jonathan Harris

    open
  44. 44
    Up 857
    Down 799

    Joseph Gordon-Levitt, John Lithgow, Jane Curtin

    open
  45. 45
    Up 389
    Down 305

    added by wiabux Marion Cotillard, Jason Isaacs, Stella Stevens

    open
  46. 46
    Up 621
    Down 551

    Jason O'Mara, Stephen Lang, Christine Adams

    open
  47. 47
    Up 496
    Down 631

    Jeff Doucette, James Greene, Eric Pierpoint

    open
  48. 48
    Up 565
    Down 774

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

    open
  49. 49
    Up 361
    Down 269

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

    open
  50. 50
    Up 509
    Down 570

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

    open
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