Silo season 3 premieres on Apple TV on Friday, July 3, and consists of ten episodes.

The series is a science‑fiction thriller set in a sealed underground community; earlier seasons introduced a mystery surrounding the origin of the silos and featured flashback sequences.

The ten episodes alternate between present‑day events in Silo 18 and flashback narratives that focus on characters such as Daniel (Ashley Zukerman) and Helen (Jessica Henwick), as well as a storyline involving a junior congressman and a reporter investigating pre‑ and post‑Silo conspiracies.

The season also follows the arc of Juliette, whose memory is lost after season 2, and the role of Camille Sims, the new head of IT, who must make difficult decisions while her husband Robert provides counsel. The review indicated that the series provides new information that changes the audience's understanding of the show's world and its characters.