Genre / 1,257 series

Sci-Fi TV series

The highest-rated Sci-Fi series and miniseries, ranked from IMDb episode data across 16,641 rated episodes.

Last updated

Highest rated

Best Sci-Fi Series

  1. Takopi's Original Sin 2025-2025 / 6 rated episodes / 62,990 episode votes 9.4
  2. Firefly 2002-2003 / 14 rated episodes / 83,666 episode votes 8.7
  3. Sense8 2015-2018 / 24 rated episodes / 103,168 episode votes 8.6
  4. I'm Not a Robot 2017-2018 / 32 rated episodes / 2,612 episode votes 8.6
  5. Bee & Puppycat: Lazy in Space 2022- / 16 rated episodes / 1,223 episode votes 8.6
  6. Apocalypse Hotel 2025- / 12 rated episodes / 1,077 episode votes 8.6
  7. Utopia 2013-2014 / 12 rated episodes / 17,417 episode votes 8.4
  8. World Trigger 2014- / 99 rated episodes / 3,881 episode votes 8.4
  9. Silverpoint 2022- / 26 rated episodes / 2,207 episode votes 8.4
  10. I Am Frankie 2017-2018 / 41 rated episodes / 1,061 episode votes 8.4
  11. Agents of S.H.I.E.L.D. 2013-2020 / 136 rated episodes / 481,872 episode votes 8.3
  12. Westworld 2016-2022 / 36 rated episodes / 459,559 episode votes 8.3
  13. Severance 2022- / 19 rated episodes / 347,728 episode votes 8.3
  14. The Expanse 2015-2022 / 62 rated episodes / 237,711 episode votes 8.3
  15. Orphan Black 2013-2017 / 50 rated episodes / 82,445 episode votes 8.3
  16. Legion 2017-2019 / 27 rated episodes / 81,478 episode votes 8.3
  17. Years and Years 2019-2019 / 6 rated episodes / 9,449 episode votes 8.3
  18. The Invisible Man 2000-2002 / 45 rated episodes / 2,593 episode votes 8.3
  19. Space Brothers 2012-2014 / 99 rated episodes / 1,940 episode votes 8.3
  20. The Cheat 2017-2020 / 24 rated episodes / 1,769 episode votes 8.3
  21. Best Friends Whenever 2015-2016 / 32 rated episodes / 1,574 episode votes 8.3
  22. Fired on Mars 2023-2023 / 8 rated episodes / 1,022 episode votes 8.3
  23. Fringe 2008-2013 / 100 rated episodes / 261,502 episode votes 8.2
  24. Motherland: Fort Salem 2020-2022 / 30 rated episodes / 29,967 episode votes 8.2
  25. Counterpart 2017-2019 / 20 rated episodes / 21,532 episode votes 8.2
  26. The Time Traveler's Wife 2022-2022 / 6 rated episodes / 7,257 episode votes 8.2
  27. Travelers 2016-2018 / 34 rated episodes / 53,068 episode votes 8.1
  28. Dollhouse 2009-2010 / 26 rated episodes / 24,055 episode votes 8.1
  29. The Tomorrow People 2013-2014 / 22 rated episodes / 10,223 episode votes 8.1
  30. Star-Crossed 2014-2014 / 13 rated episodes / 8,999 episode votes 8.1
  31. Star Trek Continues 2013-2017 / 11 rated episodes / 4,796 episode votes 8.1
  32. Nichijou: My Ordinary Life 2011-2011 / 26 rated episodes / 4,454 episode votes 8.1
  33. Clone High 2002-2003 / 13 rated episodes / 3,932 episode votes 8.1
  34. ReGenesis 2004-2008 / 52 rated episodes / 2,958 episode votes 8.1
  35. Kings 2009-2009 / 13 rated episodes / 2,071 episode votes 8.1
  36. The Handmaid's Tale 2017-2025 / 66 rated episodes / 284,831 episode votes 8.0
  37. Pluribus 2025- / 9 rated episodes / 172,272 episode votes 8.0
  38. The Orville 2017-2022 / 36 rated episodes / 148,960 episode votes 8.0
  39. The Last Ship 2014-2018 / 56 rated episodes / 57,885 episode votes 8.0
  40. Humans 2015-2018 / 24 rated episodes / 20,508 episode votes 8.0
  41. Project Blue Book 2019-2020 / 20 rated episodes / 12,907 episode votes 8.0
  42. Star City 2026- / 8 rated episodes / 6,339 episode votes 8.0
  43. Frisky Dingo 2006-2008 / 25 rated episodes / 2,864 episode votes 8.0
  44. Planetes 2003-2004 / 26 rated episodes / 2,849 episode votes 8.0
  45. Three Mirrors Creature's Flashes of Flesh 2023-2024 / 7 rated episodes / 1,989 episode votes 8.0
  46. UFOs 2021-2022 / 24 rated episodes / 1,494 episode votes 8.0
  47. For All Mankind 2019-2027 / 50 rated episodes / 107,094 episode votes 7.9
  48. The Man in the High Castle 2015-2019 / 40 rated episodes / 94,814 episode votes 7.9
  49. Continuum 2012-2015 / 42 rated episodes / 30,620 episode votes 7.9
  50. The Prisoner 1967-1968 / 17 rated episodes / 17,240 episode votes 7.9

Most rated

Doctor Who Adventure, Drama, and Sci-Fi / 2005-2022 Agents of S.H.I.E.L.D. Action, Adventure, and Sci-Fi / 2013-2020 Westworld Drama, Mystery, and Sci-Fi / 2016-2022 Fear the Walking Dead Drama, Horror, and Sci-Fi / 2015-2023 Star Trek Action, Adventure, and Sci-Fi / 1966-1969 Severance Drama, Mystery, and Sci-Fi / 2022- The Handmaid's Tale Drama, Sci-Fi, and Thriller / 2017-2025 Fringe Drama, Mystery, and Sci-Fi / 2008-2013 The Expanse Drama, Mystery, and Sci-Fi / 2015-2022 Star Trek: Strange New Worlds Action, Adventure, and Sci-Fi / 2022-2027 Pluribus Drama and Sci-Fi / 2025- The Book of Boba Fett Action, Adventure, and Sci-Fi / 2021-2022