Quick answer

Season 1 of Silo has 10 episodes.

Episode breakdown and airing details

Silo premiered on Apple TV+ on May 5, 2023 , and its first season ran weekly through June 30, 2023. The season adapts material from Hugh Howey’s Wool novel and sets up the show’s dystopian, mystery-driven premise inside a massive underground silo.

Here’s the full Season 1 episode list in order:

  1. Freedom Day – May 5, 2023
  2. Holston’s Pick – May 5, 2023
  3. Machines – May 12, 2023
  4. Truth – May 19, 2023
  5. The Janitor’s Boy – May 26, 2023
  6. The Relic – June 2, 2023
  7. The Flamekeepers – June 9, 2023
  8. Hanna – June 16, 2023
  9. The Getaway – June 23, 2023
  10. Outside – June 30, 2023

The two-episode premiere (Freedom Day and Holston’s Pick) dropped together, then the rest aired weekly, giving the season a tight, binge-able but also suspenseful weekly cadence.

Streaming and runtime context

  • Platform: Apple TV+ (exclusive)
  • Total runtime: Roughly 8 hours and 10 minutes for the whole season, with individual episodes ranging from about 43 to 62 minutes.
  • Story scope: Season 1 covers roughly the first 30 chapters of Wool, leaving plenty of the book’s 82 chapters for future seasons.

If you’re planning a rewatch or a first-time binge, you can expect a compact, 10-episode arc that builds toward a major “Outside” reveal in the finale.

TL;DR: Silo Season 1 = 10 episodes , aired May–June 2023 on Apple TV+, totaling around 8 hours of content.

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