Genre / 1,231 series

Sci-Fi TV series

The highest-rated Sci-Fi series and miniseries, ranked from IMDb episode data across 16,510 rated episodes.

Last updated

Highest rated

Best Sci-Fi Series

  1. Takopi's Original Sin 2025-2025 / 6 rated episodes / 60,207 episode votes 9.4
  2. Firefly 2002-2003 / 14 rated episodes / 82,655 episode votes 8.7
  3. Sense8 2015-2018 / 24 rated episodes / 102,675 episode votes 8.6
  4. I'm Not a Robot 2017-2018 / 32 rated episodes / 2,603 episode votes 8.6
  5. Bee & Puppycat: Lazy in Space 2022- / 16 rated episodes / 1,196 episode votes 8.6
  6. Legion 2017-2019 / 27 rated episodes / 80,462 episode votes 8.4
  7. Utopia 2013-2014 / 12 rated episodes / 17,270 episode votes 8.4
  8. World Trigger 2014- / 99 rated episodes / 3,675 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 / 1,055 episode votes 8.4
  11. Agents of S.H.I.E.L.D. 2013-2020 / 136 rated episodes / 470,406 episode votes 8.3
  12. Westworld 2016-2022 / 36 rated episodes / 456,813 episode votes 8.3
  13. Severance 2022- / 19 rated episodes / 338,520 episode votes 8.3
  14. The Expanse 2015-2022 / 62 rated episodes / 235,037 episode votes 8.3
  15. Orphan Black 2013-2017 / 50 rated episodes / 81,612 episode votes 8.3
  16. Years and Years 2019-2019 / 6 rated episodes / 9,332 episode votes 8.3
  17. The Invisible Man 2000-2002 / 45 rated episodes / 2,533 episode votes 8.3
  18. The Cheat 2017-2020 / 24 rated episodes / 1,770 episode votes 8.3
  19. Best Friends Whenever 2015-2016 / 32 rated episodes / 1,566 episode votes 8.3
  20. Fired on Mars 2023-2023 / 8 rated episodes / 1,022 episode votes 8.3
  21. Fringe 2008-2013 / 100 rated episodes / 257,170 episode votes 8.2
  22. Motherland: Fort Salem 2020-2022 / 30 rated episodes / 29,834 episode votes 8.2
  23. Counterpart 2017-2019 / 20 rated episodes / 21,244 episode votes 8.2
  24. The Time Traveler's Wife 2022-2022 / 6 rated episodes / 7,173 episode votes 8.2
  25. Space Brothers 2012-2014 / 99 rated episodes / 1,867 episode votes 8.2
  26. Travelers 2016-2018 / 34 rated episodes / 52,519 episode votes 8.1
  27. Dollhouse 2009-2010 / 26 rated episodes / 23,802 episode votes 8.1
  28. The Tomorrow People 2013-2014 / 22 rated episodes / 10,217 episode votes 8.1
  29. Star-Crossed 2014-2014 / 13 rated episodes / 8,984 episode votes 8.1
  30. Star City 2026- / 8 rated episodes / 5,494 episode votes 8.1
  31. Star Trek Continues 2013-2017 / 11 rated episodes / 4,747 episode votes 8.1
  32. Nichijou: My Ordinary Life 2011-2011 / 26 rated episodes / 4,190 episode votes 8.1
  33. Clone High 2002-2003 / 13 rated episodes / 3,917 episode votes 8.1
  34. ReGenesis 2004-2008 / 52 rated episodes / 2,933 episode votes 8.1
  35. Kings 2009-2009 / 13 rated episodes / 2,065 episode votes 8.1
  36. The Handmaid's Tale 2017-2025 / 66 rated episodes / 280,251 episode votes 8.0
  37. Pluribus 2025- / 9 rated episodes / 167,098 episode votes 8.0
  38. The Orville 2017-2022 / 36 rated episodes / 147,431 episode votes 8.0
  39. The Man in the High Castle 2015-2019 / 40 rated episodes / 93,273 episode votes 8.0
  40. The Last Ship 2014-2018 / 56 rated episodes / 56,968 episode votes 8.0
  41. Dark Matter 2024- / 9 rated episodes / 28,611 episode votes 8.0
  42. Humans 2015-2018 / 24 rated episodes / 20,273 episode votes 8.0
  43. Project Blue Book 2019-2020 / 20 rated episodes / 12,792 episode votes 8.0
  44. Frisky Dingo 2006-2008 / 25 rated episodes / 2,836 episode votes 8.0
  45. Planetes 2003-2004 / 26 rated episodes / 2,745 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 / 103,070 episode votes 7.9
  48. The Prisoner 1967-1968 / 17 rated episodes / 16,894 episode votes 7.9
  49. The Devil's Hour 2022- / 11 rated episodes / 9,960 episode votes 7.9
  50. Better Off Ted 2009-2010 / 26 rated episodes / 7,619 episode votes 7.9

Most rated

Doctor Who Adventure, Drama, and Sci-Fi / 2005-2022 American Horror Story Drama, Horror, and Sci-Fi / 2011- 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 Silo Drama, Mystery, and Sci-Fi / 2023-