# The 16 Greatest Sci-Fi TV Series of All Time

> Network institutions, cancelled cult favourites and streaming newcomers, spanning black-and-white anthologies to prestige drama. Cast your vote.

*By YPB Team · Published July 31, 2026 · https://youpick.best/ranking/the-16-greatest-sci-fi-tv-series-of-all-time*

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## Current results (3 votes)

1. **The Twilight Zone** — 66.67% (2 votes · score 1000/1000)
   Rod Serling's 1959 anthology, the template for speculative television.
2. **Star Trek: The Next Generation** — 33.33% (1 votes · score 647/1000)
   The 1987-1994 flagship that turned Star Trek into a television institution.
3. **Firefly** — 0% (0 votes · score 624/1000)
   Joss Whedon's 2002 space western, cancelled after 14 episodes and adopted by a fiercely loyal following.
4. **The X-Files** — 0% (0 votes · score 560/1000)
   Chris Carter's 1993 paranormal procedural that made conspiracy TV mainstream.
5. **Severance** — 0% (0 votes · score 485/1000)
   Apple TV+'s workplace thriller about surgically divided memories.
6. **Star Trek: The Original Series** — 0% (0 votes · score 485/1000)
   The 1966 series that started it all, cancelled after three seasons and immortal in reruns.
7. **Quantum Leap** — 0% (0 votes · score 485/1000)
   Scott Bakula's 1989 series about a scientist bouncing through other people's lives.
8. **Battlestar Galactica (2004)** — 0% (0 votes · score 485/1000)
   Ronald D. Moore's grim reimagining, widely cited as the finest sci-fi drama of the 2000s.
9. **Stranger Things** — 0% (0 votes · score 397/1000)
   The Duffer Brothers' 1980s-set Netflix phenomenon.
10. **Black Mirror** — 0% (0 votes · score 397/1000)
   Charlie Brooker's anthology of near-future technological nightmares.
11. **Westworld** — 0% (0 votes · score 397/1000)
   HBO's android-uprising drama built on Michael Crichton's 1973 film.
12. **Doctor Who** — 0% (0 votes · score 291/1000)
   The BBC's time-travel serial, running on and off since 1963 and the longest-lived sci-fi show on television.
13. **The Expanse** — 0% (0 votes · score 291/1000)
   The hard-science solar-system political drama adapted from the James S. A. Corey novels.
14. **Fringe** — 0% (0 votes · score 291/1000)
   J.J. Abrams' parallel-universe procedural that grew into a genuine sci-fi epic.
15. **Babylon 5** — 0% (0 votes · score 291/1000)
   J. Michael Straczynski's 1993 station drama, an early proof that sci-fi TV could sustain a five-year arc.
16. **Star Trek: Deep Space Nine** — 0% (0 votes · score 162/1000)
   The darker, serialised Trek set on a frontier station, reappraised as the franchise's best-written show.

Tags: tv shows, sci-fi, classics