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Top 20 Sci-Fi TV Shows on Sky/WOW 2026
Discover the best Sci-Fi TV Shows on Sky/WOW, ranked by real community votes. Use the filters to narrow results by status, runtime and streaming availability.
How are the series charts created?
Rankings are based on real user ratings. The more votes a show receives, the more stable its chart position. When you rate shows yourself, your personal recommendations improve too.
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Series Charts: Top 20
2. Stargate SG-1
(8/10 stars)This sequel to the 1994 movie Stargate chronicles the further adventures of SGC (Stargate Command). It turned out that the Goa'uld Ra was only one of many alien System Lords who used the Stargates to conquer much of the universe. When Earth uncovers a working cartouche to decipher the coding sy... more
3. Stargate Atlantis
(8/10 stars)The story of Stargate Atlantis follows the cliffhanger episode on Stargate SG-1's seventh season finale "Lost City", where SG-1 found an outpost made by the race known as the Ancients in Antarctica. After the events of Stargate SG-1 season eight premiere "New Order", the Sta... more
4. Westworld
(9/10 stars)Westworld is a dark odyssey about the dawn of artificial consciousness and the evolution of sin. Set at the intersection of the near future and the reimagined past, it explores a world in which every human appetite, no matter how noble or depraved, can be indulged. more
5. Star Trek: The Next Generation
(8/10 stars)A century after Captain Kirk's five year mission, the next generation of Starfleet officers begins their journey aboard the new flagship of the Federation. Commanded by Captain Jean-Luc Picard the Galaxy class starship Enterprise NCC-1701-D will seek out new life and new civilizations - to b... more
6. Star Trek: Voyager
(7/10 stars)Follow the adventures of the Federation starship Voyager, under the command of Captain Kathryn Janeway. Voyager is in pursuit of a rebel Maquis ship in a dangerous part of the galaxy when it is suddenly thrown thousands of light years away into the Delta Quadrant. With much of her crew dead, Captai... more
7. Falling Skies
(8/10 stars)After a global invasion by several races of extraterrestrials that neutralizes the world's power grid and technology, quickly destroys the combined militaries of all the world's countries, and kills over 90% of the human population within a few days, the chaotic aftermath of an alien atta... more
8. Star Trek: Deep Space Nine
(7/10 stars)When the Cardassian occupation of Bajor ended in 2369, the mining space-station Terok Nor was left abandoned, its systems ripped out. By invitation of the provisional Bajoran government, Starfleet stepped in to oversee the rebuilding and day-to-day operations of the newly christened Deep Space Nine.... more
9. Star Trek: Enterprise (2001)
(7/10 stars)Taking place during the mid-22nd century, the crew of the first warp five starship (the Enterprise NX-01) begin to explore the galaxy under the command of Captain Jonathan Archer. As their mission progresses, the crew encounter familiar races like the Klingons and Andorians as well as some new ones. more
10. The Legend of Korra
(8/10 stars)Avatar Korra, a headstrong, rebellious, feisty young woman who continually challenges and breaks with tradition, is on her quest to become a fully realized Avatar. In this story, the Avatar struggles to find balance within herself. more
11. Caprica
(8/10 stars)Set nearly 60 years before the events depicted in Battlestar Galactica, Caprica tells the story of how the Cylons came to be, set against the backdrop of the Greystones and the Adamas, two families that are changed in an act of tragedy that takes the lives of their daughters. more
12. Resident Alien
(8/10 stars)A crash-landed alien named Harry takes on the identity of a small-town Colorado doctor and slowly begins to wrestle with the moral dilemma of his secret mission on Earth. more
13. Ghost Hunters
(8/10 stars)Fifteen years after introducing the world to the field of authentic paranormal investigation, "Ghost Hunters" returns to television. The series that terrified and captivated fans for 11 seasons will follow one of the original team leaders, Grant Wilson, and his handpicked group of professi... more
14. The Last of Us
(8/10 stars)In 2003, a parasitic fungal infection ravaged the planet, turning humans into violent creatures known as the Infected. Twenty years later, hardened survivor Joel is hired to smuggle 14-year-old Ellie to the rebel Fireflies. more
15. Avenue 5
(6/10 stars)40 years in the future, space captain Ryan Clark and the crew of the luxury space cruise ship Avenue 5 navigate disgruntled passengers and unexpected events after experiencing technical difficulties onboard. more
16. Stargirl
(0/10 stars)High school sophomore Courtney Whitmore inspires an unlikely group of young heroes to take up the legacy of a long lost superhero team – The Justice Society of America – and stop the villains of the past. more
17. The Copenhagen Test
(0/10 stars)When an analyst discovers his eyes and ears have been hacked, he's drawn into a controlled world designed by his agency to draw out their enemies. more
18. La Brea
(0/10 stars)When a massive sinkhole opens in the middle of Los Angeles, pulling hundreds of people and buildings into its depths. Those who fell in find themselves in a mysterious and dangerous primeval land, where they have no choice but to band together to survive. Meanwhile, the rest of the world desperately... more
19. Harley Quinn
(0/10 stars)Harley Quinn has finally broken things off once and for all with the Joker, and attempts to make it on her own as the criminal Queenpin of Gotham City. The series features Harley Quinn, Poison Ivy and a whole cast of heroes and villains, old and new, from the DC Universe. more
20. Code 404
(0/10 stars)Set in the near future, Code 404 revolve around two Detective Inspectors, DI John Major and DI Roy Carver, who are the top crime fighting duo in the Unit. But when an undercover sting goes horribly wrong, Major is gunned down on the job and killed. How will the SIU function without Major? It does... more
Why these charts are worth it
Sci-Fi TV shows are the genre most driven by a single core question: what if? What if AI becomes conscious? What if we colonise other planets? What if time travel is possible but comes with unexpected costs? The best science fiction uses these premises not as an end in themselves, but as a lens through which current social, ethical or technological questions can be examined differently.
This ranking covers sci-fi series across a broad spectrum: hard science fiction with high technical ambition, space opera with epic interstellar scenarios, dystopian series, time travel stories and near-future concepts that are only a small step removed from the present. Series that deliver on both dimensions – compelling story and substantive ideas – consistently rank at the top of the community charts. Use the streaming filter to see immediately where each series is currently available.
Discover related charts
If sci-fi TV shows are your thing, you might also enjoy fantasy or thriller series for similarly imaginative or tense storytelling.
FAQ
What are the best Sci-Fi TV Shows?
The top Sci-Fi TV Shows are ranked by real community votes. The more ratings a show has, the more stable its position.
Where can I stream Sci-Fi TV Shows?
Use the streaming filter to see which Sci-Fi TV Shows are available on Netflix, Prime Video, Disney+, HBO Max and more.
How are the Sci-Fi TV Shows rankings created?
Rankings are based on real user ratings. The more votes a series receives, the more stable its chart position.