Best Sci-Fi TV Shows

35 items • 148 views • 0 votes • updated Oct 31, 2026
Best Sci-Fi TV Shows

Discover the list of the most watched sci-Fi TV Shows, ranked from best to worst.

According to 0 votes, the TV show 3 Body Problem, released in 2024, came in first as the best sci-fi TV show, followed by Agatha All Along and Alien: Earth (released in 2025, starring Sydney Chandler and Timothy Olyphant). Scroll down for the top 10 sci-Fi TV Shows, rated by visitors in 2026.

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Recommend the best sci-fi TV show

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3 Body Problem 1
3 Body Problem
2024 - present. Sci-Fi, Mystery, Drama. Jovan Adepo, Rosalind Chao, Liam Cunningham, Eiza...
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Five researchers try to understand why the phenomena they observe seem to contradict the laws of science. A decision made in China decades earlier connects them to a mystery that •••
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Agatha All Along 2
Agatha All Along
2024 - 2024. Fantasy, Mystery, Horror. Kathryn Hahn, Joe Locke, Sasheer Zamata, Ali Ahn, Debra...
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Agatha Harkness embarks on the Witches' Road with a mysterious teenager and a group of witches with different motives. To regain her powers, she must face trials that test the trust •••
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Alien: Earth 3
Alien: Earth
2025 - present. Drama, Sci-Fi & Fantasy. Sydney Chandler, Timothy Olyphant, Alex Lawther, Essie...
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In 2120, a research vessel reaches Earth, where Wendy and a team of soldiers face a discovery that could change the balance between humanity and an unknown species.
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Asterix & Obelix: The Big Fight 4
Asterix & Obelix: The Big Fight
2025 - 2025. Animation, Action & Adventure, Comedy, Sci-Fi & Fantasy, Family. Alain Chabat...
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When the village druid forgets the recipe for the magic potion, Asterix and Obelix look for a way to help their community. As Caesar tries to use a Gallic law to his advantage, the •••
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Cassandra 5
Cassandra
2025 - 2025. Sci-Fi & Fantasy. Lavinia Wilson, Mina Tander, Michael Klammer, Joshua Kantara...
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A family moves into an old smart home, where its virtual assistant begins to shape everyday life. As they try to understand the system, they uncover an unexpected connection to the house's •••
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Common Side Effects 6
Common Side Effects
2025 - present. Animation, Comedy, Drama, Sci-Fi. Dave King, Emily Pendergast, Joseph Lee...
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Two former lab partners reconnect after one discovers a mushroom with unusual properties. Together, they try to share the discovery while powerful companies pursue their own interests.
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Best sci-fi movies of 2026Best sci-fi movies of 2026Best TV shows with experimentsBest TV shows with experimentsBest TV Shows About Artificial IntelligenceBest TV Shows About Artificial IntelligenceBest Horror TV ShowsBest Horror TV Shows
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Fallout 7
Fallout
2024 - present. Action, Adventure, Sci-Fi, Drama. Ella Purnell, Aaron Moten, Moisés Arias...
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Over two centuries after a nuclear disaster, Lucy leaves the underground shelter she grew up in and discovers a transformed America. Her path intersects with that of a young soldier and a •••
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Gachiakuta 8
Gachiakuta
2025 - present. Animation, Action, Drama, Sci-Fi. Aoi Ichikawa, Katsuyuki Konishi, Yumiri...
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Rudo lives in a floating city where resources and people are treated differently according to status. After reaching an isolated region, he discovers a new ability and joins the Cleaners •••
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Human Vapor 9
Human Vapor
2026 - 2026. Sci-Fi, Fantasy, Crime. Shun Oguri, Yu Aoi, Suzu Hirose, Kento Hayashi, UTA...
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A man dies live on TV, and the culprit can turn into gas. Behind the case is a secret project that took advantage of vulnerable people. Shun Oguri stars in the Japanese sci-fi series on •••
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Ironheart 10
Ironheart
2025 - 2025. Sci-Fi, Fantasy, Crime, Action, Adventure. Dominique Thorne, Lyric Ross, Manny...
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After the events of Black Panther: Wakanda Forever, Riri Williams, a brilliant inventor, returns home to Chicago, where she builds increasingly powerful iron armor. Ambition brings her •••
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If you liked the list Best Sci-Fi TV Shows, discover more below:

 
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Best TV Shows of 2025 Best TV Shows of 2025
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Best TV shows of 2024 Best TV shows of 2024
Best Animated TV Series Best Animated TV Series
Best TV shows of 2026 Best TV shows of 2026
Best mystery TV shows Best mystery TV shows
Best TV Miniseries Best TV Miniseries
Best TV shows about conspiracies Best TV shows about conspiracies
Best Anime TV Shows Best Anime TV Shows
Best TV Shows About Teenagers Best TV Shows About Teenagers
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Best Marvel TV shows Best Marvel TV shows
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Frequently asked questions

Is there already a ranking based on votes?

This list has not received any votes yet. The order shown does not reflect visitor preferences. You can help by voting for the options you recommend.

What is in this list?

This list includes, for example, Fallout, VisionQuest, The Acolyte.

What are the most recent TV shows in this list?

Among the titles with a known premiere year, the most recent are: Human Vapor (2026), Star Trek: Starfleet Academy (2026), Star Wars: Maul - Shadow Lord (2026).

How do I vote and how is the ranking decided?

Press the up arrow if you recommend an option or the down arrow if you do not. You can use the search box in the list to quickly find a name and vote directly. The order takes into account both positive and negative votes and how many there are, and positions can change as votes are added.