Best Sci-Fi TV Series
Top 500 most popular Sci-Fi series, ranked by votes
Airwolf
14K 55 1984–1986
Action · Adventure · Sci-Fi
Stitchers
14K 31 2015–2017
Crime · Drama · Sci-Fi
Mork & Mindy
14K 94 1978–1982
Comedy · Family · Sci-Fi
Beforeigners
13K 12 2019–2022
Crime · Drama · Sci-Fi
Paper Girls
13K 8 2022–2022
Adventure · Drama · Sci-Fi
Second Chance
13K 11 2016–2016
Drama · Sci-Fi
Teacup
13K 8 2024–2024
Horror · Sci-Fi · Thriller
Harvey Birdman, Attorney at Law
13K 39 2000–2007
Animation · Comedy · Sci-Fi
Biohackers
13K 12 2020–2021
Drama · Sci-Fi · Thriller
Better Than Us
13K 16 2018–2019
Drama · Sci-Fi
The Hitch Hiker's Guide to the Galaxy
12K 6 1981–1981
Adventure · Comedy · Sci-Fi
The Man Who Fell to Earth
12K 10 2022–2022
Drama · Sci-Fi
Buck Rogers in the 25th Century
12K 32 1979–1981
Action · Adventure · Sci-Fi
Between
11K 12 2015–2016
Drama · Mystery · Sci-Fi
The Institute
11K 16 2025–present
Horror · Sci-Fi · Thriller
The Power
11K 9 2023–2023
Drama · Fantasy · Sci-Fi
The Crossing
11K 11 2018–2018
Adventure · Drama · Sci-Fi
Space: 1999
11K 48 1975–1977
Adventure · Drama · Sci-Fi
The Hot Zone
10K 12 2019–2021
Drama · History · Sci-Fi
The Oblongs
10K 13 2001–2002
Animation · Comedy · Sci-Fi
Defying Gravity
10K 13 2009–2009
Drama · Sci-Fi
Debris
10K 13 2021–2021
Drama · Mystery · Sci-Fi
Journeyman
10K 13 2007–2007
Fantasy · Romance · Sci-Fi
I'm Not a Robot
10K 32 2017–2018
Comedy · Romance · Sci-Fi
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