15+ Best Sci-Fi Web Series to Watch on OTT, Netflix

Science fiction, or sci-fi, has always been a popular genre among viewers who are fascinated by the possibilities of the future. With the rise of streaming platforms like OTT and Netflix, there is no shortage of sci-fi web series to choose from. Whether you are a die-hard fan of the genre or just looking for something new to watch.

List of the 15+ best sci-fi web series available on OTT and Netflix.

Best Sci-Fi Web Series to Watch on OTT

1. Stranger Things

Stranger Things is a critically acclaimed sci-fi series that takes place in the 1980s. It follows a group of kids as they encounter supernatural forces and uncover a government conspiracy. The show has gained a massive following for its nostalgic references and compelling storyline.

2. Black Mirror

Black Mirror is an anthology series that explores the dark side of technology and its impact on society. Each episode tells a standalone story, making it a great choice for viewers who enjoy thought-provoking narratives.

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3. The Expanse

The Expanse is set in a future where humanity has colonized the solar system. It follows a group of characters as they navigate political tensions and a conspiracy that threatens the survival of humanity. The show has been praised for its realistic depiction of space travel and complex characters.

4. Westworld

Westworld is a sci-fi series set in a theme park populated by humanoid robots. The show explores themes of artificial intelligence, consciousness, and the nature of humanity. With its stunning visuals and mind-bending plot twists, Westworld is a must-watch for sci-fi fans.

5. Altered Carbon

Altered Carbon takes place in a future where consciousness can be transferred to different bodies, known as sleeves. The series follows a former soldier who is hired to solve a murder mystery. With its cyberpunk aesthetic and complex world-building, Altered Carbon offers a unique take on the sci-fi genre.

6. The Mandalorian

The Mandalorian is a Star Wars spin-off series that follows the adventures of a bounty hunter in the outer reaches of the galaxy. With its compelling characters and epic action sequences, The Mandalorian has become a fan favorite.

7. Battlestar Galactica

Battlestar Galactica is a reimagining of the classic 1978 series. It follows the last surviving humans as they search for a new home while being pursued by the robotic Cylons. The show has been praised for its complex characters and exploration of moral dilemmas.

8. Firefly

Firefly is a cult classic sci-fi series created by Joss Whedon. It follows the crew of the spaceship Serenity as they navigate life on the fringes of society. Despite its short run, Firefly has gained a dedicated fan base for its witty dialogue and memorable characters.

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9. Doctor Who

Doctor Who is a long-running sci-fi series that follows the adventures of the Doctor, a time-traveling alien with the ability to regenerate. With its rich history and imaginative storytelling, Doctor Who has become a cultural phenomenon.

10. The Twilight Zone

The Twilight Zone is a classic anthology series that explores the strange and supernatural. Each episode tells a standalone story with a twist ending, making it a timeless choice for fans of sci-fi and horror.

11. The OA

The OA is a mystery sci-fi series that follows a young woman who resurfaces after being missing for seven years. She has a new identity and possesses mysterious abilities. The show has been praised for its unique storytelling and thought-provoking themes.

12. Sense8

Sense8 is a sci-fi drama that follows eight strangers from different parts of the world who become mentally and emotionally linked. The show explores themes of identity, connection, and the power of empathy.

13. The 100

The 100 is set in a post-apocalyptic world where a group of young people is sent back to Earth to determine if it is habitable again. The show combines elements of sci-fi, drama, and action to create a compelling narrative.

14. Orphan Black

Orphan Black follows the story of Sarah Manning, a woman who discovers she is one of many clones. As she delves deeper into the conspiracy surrounding her origins, she uncovers a world of secrets and danger.

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15. Dark

Dark is a German sci-fi thriller that follows four interconnected families as they uncover a time travel conspiracy that spans several generations. With its intricate plot and atmospheric setting, Dark has gained international acclaim.

16. The Handmaid’s Tale

The Handmaid’s Tale is a dystopian series set in a future where women’s rights have been severely restricted. It follows the story of Offred, a handmaid who must navigate a society ruled by a totalitarian regime.

17. Fringe

Fringe is a sci-fi series that follows a team of FBI agents as they investigate unexplained phenomena. The show combines elements of sci-fi, horror, and procedural drama to create a unique viewing experience.

18. The Witcher

The Witcher is a fantasy series based on the book series of the same name. It follows the story of Geralt of Rivia, a monster hunter in a world filled with magic and mythical creatures.

19. The Boys

The Boys is a superhero series that takes a dark and satirical look at the genre. It follows a group of vigilantes as they try to take down corrupt superheroes. With its gritty tone and subversive storytelling, The Boys has become a hit with viewers.

20. The Umbrella Academy

The Umbrella Academy is based on the comic book series of the same name. It follows a dysfunctional family of superheroes as they reunite to solve the mystery of their father’s death and prevent an impending apocalypse.


These 30 sci-fi web series offer a wide range of stories and themes that will satisfy any sci-fi enthusiast. Whether you are looking for futuristic technology, time travel, or dystopian societies, there is something for everyone on this list. So grab your popcorn, sit back, and prepare to be transported to new and exciting worlds.


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