"Stranger Things," "Star Trek," "Battlestar Galactica," "The Expanse," and "Westworld" are among the shows ranked on our list of TV's best sci-fi series. Did your favorite make the cut?

Critics Consensus: Though it's dated in spots, The War of the Worlds retains an unnerving power, updating H.G. Wells' classic sci-fi tale to the Cold War era and featuring some of the best special …

In 2021, Apple TV+ debuted Foundation — a sprawling, complex sci-fi series based on the eponymous novel series by Isaac Asimov — as an appeal to those in search of smarter science fiction, and while …

Not only did we get a broad variety of stories in Sci-Fi & Fantasy, but the best ones came from Disney+, Paramount+, Apple TV+, HBO Max, Prime Video, and, yes, Netflix.

The Expanse is in good company as three of most-watched shows of the year make up the rest: Sleeper-hit-turned-phenomenon The Witcher's second season, followed by two newcomer high …

The best free movies on YouTube, from critics-approved Certified Fresh choices, Fresh selections, and even Rotten movies with high Audience Scores!

Critics Consensus: Reloading on surer footing, Halo 's streamlined second season is a leaner and meaner dose of sci-fi that comes closer to realizing the property's potential.

Nov 1, 2024 · Critics say the second season of the Apple TV+ series proves it's one of the best sci-fi shows around, with an engrossing story and a magnetic lead performance from Rebecca Ferguson.

Jan 27, 2026 · For our 27th edition of the Rotten Tomatoes Awards, we celebrate 2025’s best in film and TV, acclaimed works that have taken us from the dark seduction of Sinners, across the rebellion-torn …

Best-Reviewed TV Sci-Fi/Fantasy/Horror 2016 Superheroes ruled 2016 in this category, but the inclusion of a nostalgic throwback, a conspiracy thriller, and a tried-and-true fantastical drama …