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Entertainment • TV Series

Silo

Silo is an American dystopian science fiction television series created by Graham Yost.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

Silo is an American dystopian science fiction television series created by Graham Yost, based on Hugh Howey's Silo trilogy. The series is set in a vast underground silo housing 10,000 people who believe the outside world is toxic. It follows engineer Juliette Nichols as she uncovers secrets about her society and the world beyond.

Premise

Silo takes place in a ruined future where humanity lives in a giant underground silo under strict rules. The story follows residents as they question the official history of their isolated society and the dangers of the outside world.

Cast

Rebecca Ferguson plays Juliette Nichols, the series' central figure. Other credited cast members include Common and Ashley Zukerman, with additional ensemble performers across the series.

Source material

The series is adapted from Hugh Howey's Silo trilogy of novels: Wool, Shift, and Dust. The first season primarily adapts Wool, while later seasons expand into the rest of the trilogy.

Release and availability

Silo premiered on Apple TV+ in 2023 and is available on that service. Rotten Tomatoes also lists it as available with a subscription on Apple TV and Prime Video for season availability.

Key facts

  • Based on Hugh Howey's Silo trilogy (Wool, Shift, Dust).
  • Premiered on Apple TV+ on May 5, 2023.
  • Stars Rebecca Ferguson as Juliette Nichols, with Common and Ashley Zukerman.
  • Set in a 144-level underground silo housing 10,000 people.
  • Three seasons listed, with season 2 premiering November 15, 2024.
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Canadian context

Canadian viewers can watch Silo on Apple TV+, which is available in Canada, and the series has drawn attention among Canadian science-fiction audiences.

Frequently asked questions

What is Silo about?
It follows a community living in a giant underground silo after the surface is believed to be toxic, as engineer Juliette Nichols uncovers secrets about the silo and its rulers.
Who stars in Silo?
Rebecca Ferguson stars as Juliette Nichols. Apple TV+ also lists Common and Ashley Zukerman among the cast.
Is Silo based on a book?
Yes. It is based on Hugh Howey's Silo trilogy, which consists of Wool, Shift, and Dust.
How many seasons of Silo are there?
There are three seasons listed in current sources, with season 1 in 2023, season 2 in 2024, and season 3 referenced by Apple TV+ and other sources.
Where can I watch Silo?
It is available on Apple TV+. Some listing sources also mention Prime Video season availability.

References

  1. YouTube — https://www.youtube.com/watch?v=VICYYVDVWgU
    Supports: High-level plot description of the underground silo, the cleaning ritual, and Juliette Nichols' arc.
  2. IMDb — https://www.imdb.com/title/tt14688458/
    Supports: Premise, adaptation source, main cast, and season-related information.
  3. The Direct — https://the-direct.com/article/silo-plot-explained-season-1-recap
    Supports: Season 1 premise and Juliette Nichols as the central character.
  4. The National — https://www.thenationalnews.com/magazine/2026/06/26/silo-season-three-apple-tv/
    Supports: Plot overview, book basis, and season 3/4 reporting.
  5. Radio Times — https://www.radiotimes.com/tv/sci-fi/silo-season-1-recap/
    Supports: Premise, Juliette Nichols, and adaptation basis.
  6. Apple TV+ — https://tv.apple.com/us/show/silo/umc.cmc.3yksgc857px0k0rqe5zd4jice
    Supports: Official series description and credited starring cast.
  7. Rotten Tomatoes — https://www.rottentomatoes.com/tv/silo
    Supports: Availability on Apple TV and Prime Video, plus series synopsis and season listing.