12 Best Sci-Fi TV Series

By Vlad Zakh · March 10, 2026

Black Mirror and Westworld use science fiction as a lens for something much closer to home. Battlestar Galactica and The Expanse lean harder and more political, and Severance proves the genre still has genuinely new ideas.

Foundation (2021) 01

Foundation (2021)

IMDb ★ 7.7

An adaptation of Asimov's novels about a mathematician who can predict the fall of an empire.

The X-Files (1993) 02

The X-Files (1993)

IMDb ★ 8.4

Two FBI agents investigating unexplained cases, one a believer, one a skeptic.

Dark (2017) 03

Dark (2017)

IMDb ★ 8.4

A German mystery about missing children that unravels into a multi-generational time-travel puzzle.

Fringe (2008) 04

Fringe (2008)

IMDb ★ 8.1

An FBI unit investigating fringe science phenomena that turn out to connect to a parallel universe.

The Man in the High Castle (2015) 05

The Man in the High Castle (2015)

IMDb ★ 7.5

An alternate history where the Axis powers won WWII, and America is divided between Japan and Germany.

Doctor Who (2005) 06

Doctor Who (2005)

IMDb ★ 7.6

A centuries-running British institution about a time-traveling alien who regenerates instead of dying.

Westworld (2016) 07

Westworld (2016)

IMDb ★ 8.0

A theme park of lifelike androids that begin to remember what's been done to them.

Severance (2022) 08

Severance (2022)

IMDb ★ 8.4

A surreal thriller about employees who surgically split their work and personal memories.

Stranger Things (2016) 09

Stranger Things (2016)

IMDb ★ 8.6

A small town's brush with an alternate dimension, wrapped in loving 80s genre homage.

The Expanse (2015) 10

The Expanse (2015)

IMDb ★ 8.1

A politically dense, grounded space opera about a solar system on the brink of war.

Battlestar Galactica (2004) 11

Battlestar Galactica (2004)

IMDb ★ 8.2

A grim, politically sharp reboot about the last survivors of humanity fleeing extermination.

Black Mirror (2011) 12

Black Mirror (2011)

IMDb ★ 8.3

An anthology series imagining how new technology could go quietly, plausibly wrong.

Vlad Zakh

Vlad Zakh

Founder, Movieix

I've been watching and cataloguing films for over 15 years. I built Movieix around the lists I wished existed: real picks from real viewings, organized by who's in them, where they're from, and what mood you're actually in tonight.