The Best Sci Fi Television Series of All Time TV Programs
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180  items 171,202 votes 12,850 voters 274,278 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 4712
    Down 1754

    most listed Christina Hendricks, Summer Glau, Morena Baccarin

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  2. 2
    Up 3128
    Down 1282

    Whoopi Goldberg, Patrick Stewart, Wil Wheaton

    open
  3. 3
    Up 3911
    Down 1780

    Grace Park, Tricia Helfer, Lucy Lawless

    open
  4. 4
    Up 3336
    Down 1781

    Eric Roberts, Tom Baker, Paul McGann

    open
  5. 5
    Up 2786
    Down 1293

    William Shatner, Leonard Nimoy, George Takei

    open
  6. 6
    Up 3180
    Down 1409

    Gillian Anderson, Lucy Lawless, David Duchovny

    open
  7. 7
    Up 3197
    Down 1259

    Amanda Tapping, Beau Bridges, Claudia Black

    open
  8. 8
    Up 2071
    Down 1186

    Morgan Freeman, Rod Serling, John McGiver

    open
  9. 9
    Up 2659
    Down 1396

    Anna Torv, Joshua Jackson, John Noble

    open
  10. 10
    Up 2909
    Down 2527

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

    open
  11. 11
    Up 2098
    Down 1382

    Claudia Black, Ben Browder, Raelee Hill

    open
  12. 12
    Up 1881
    Down 1196

    Terry Farrell, Rene Auberjonois, Nicole de Boer

    open
  13. 13
    Up 1576
    Down 1062

    Dean Stockwell, Scott Bakula, Deborah Pratt

    open
  14. 14
    Up 1863
    Down 1081

    Jeri Ryan, Kate Mulgrew, Robert Picardo

    open
  15. 15
    Up 2040
    Down 1287

    Katey Sagal, Frank Welker, Billy West

    open
  16. 16
    Up 1504
    Down 883

    Jason Momoa, Jewel Staite, Amanda Tapping

    open
  17. 17
    Up 1398
    Down 1144

    John Barrowman, Lauren Ambrose, Bill Pullman

    open
  18. 18
    Up 1529
    Down 913

    Jolene Blalock, Scott Bakula, Linda Park

    open
  19. 19
    Up 1542
    Down 1110

    Felicia Day, Salli Richardson, Erica Cerra

    open
  20. 20
    Up 1618
    Down 1363

    Hayden Panettiere, Kristen Bell, Ali Larter

    open
  21. 21
    Up 1894
    Down 1789

    Evangeline Lilly, Ian Somerhalder, Michelle Rodriguez

    open
  22. 22
    Up 1187
    Down 904

    Joanne Kelly, Jaime Murray, Allison Scagliotti

    open
  23. 23
    Up 1020
    Down 878

    David McCallum, Kevin Conway, Beau Bridges

    open
  24. 24
    Up 1073
    Down 948

    Craig Charles, Danny John-Jules, Chloë Annett

    open
  25. 25
    Up 1336
    Down 1088

    Lena Headey, Summer Glau, Shirley Manson

    open
  26. 26
    Up 1159
    Down 1139

    often listed Michael Ironside, Robert Englund, Lane Smith

    open
  27. 27
    Up 912
    Down 696

    Robert Carlyle, Ming-Na Wen, Lou Diamond Phillips

    open
  28. 28
    Up 1026
    Down 878

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

    open
  29. 29
    Up 806
    Down 624

    added by dustman025 Moon Bloodgood, Sarah Carter, Noah Wyle

    open
  30. 30
    Up 572
    Down 530

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

    open
  31. 31
    Up 470
    Down 427

    Stephen Moore, Simon Jones, Sandra Dickinson

    open
  32. 32
    Up 817
    Down 973

    often listed Eliza Dushku, Amy Acker, Alan Tudyk

    open
  33. 33
    Up 775
    Down 802

    Amanda Tapping, Agam Darshi, Robin Dunne

    open
  34. 34
    Up 836
    Down 785

    Lucy Lawless, Karl Urban, Hudson Leick

    open
  35. 35
    Up 789
    Down 901

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

    open
  36. 36
    Up 456
    Down 347

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

    open
  37. 37
    Up 486
    Down 471

    Susan Sarandon, William Hurt, Giancarlo Giannini

    open
  38. 38
    Up 680
    Down 748

    Bill Corbett, Kevin Murphy, Joel Hodgson

    open
  39. 39
    Up 506
    Down 434

    added by huggums537 Mel Blanc, Erin Gray, Pamela Hensley

    open
  40. 40
    Up 848
    Down 911

    Jessica Alba, Jensen Ackles, Michael Weatherly

    open
  41. 41
    Up 724
    Down 877

    often listed & ranked high on reranks Brooke Nevin, Megalyn Echikunwoke, Peter Coyote

    open
  42. 42
    Up 721
    Down 729

    Lee Majors, Martin Balsam, Alan Oppenheimer

    open
  43. 43
    Up 630
    Down 628

    Marta Kristen, June Lockhart, Jonathan Harris

    open
  44. 44
    Up 854
    Down 795

    Joseph Gordon-Levitt, John Lithgow, Jane Curtin

    open
  45. 45
    Up 387
    Down 301

    added by wiabux Marion Cotillard, Jason Isaacs, Stella Stevens

    open
  46. 46
    Up 619
    Down 547

    Jason O'Mara, Stephen Lang, Christine Adams

    open
  47. 47
    Up 494
    Down 627

    often listed Jeff Doucette, James Greene, Eric Pierpoint

    open
  48. 48
    Up 359
    Down 264

    Roddy McDowall, James Naughton, Mark Lenard

    open
  49. 49
    Up 564
    Down 770

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

    open
  50. 50
    Up 397
    Down 337

    added by fjleonard213 Mark Pellegrino, Samuel Witwer, Meaghan Rath

    open
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