Summary generated by Smart Answers AI
In summary:
- Tech Advisor reports that Silo Season 3 will be based on the novel ‘Shift’, exploring the origins of the underground bunker 300 years before the apocalypse through flashbacks.
- Rebecca Ferguson will reprise her role as Juliette with an expanded storyline, while Tim Robbins’ character, Bernard Holland, is confirmed dead and will not appear in the upcoming season.
- The Apple TV+ series will diverge from the source material to focus on the main characters while introducing new storylines about the creation of the silo.
The trailer for Silo’s third season has been released, hinting at a journey back in time.
The first season of Silo, based on Hugh Howey’s dystopian novels, left viewers with many questions, some of which were answered in the second season.
We discovered the secrets behind the mysterious vault doors and the dire consequences of rebellion. We also encountered the true ruler of the silo and glimpsed into its distant past.
However, there are still mysteries to unravel, and Juliette and her companions have their work cut out for them in uncovering the truth about the silo. The third season has been green-lit by Apple TV+, and here’s what you need to know.
When will Silo season 3 be released?
Silo season 3 will premiere on Friday, 3 July 2026, consisting of ten episodes that will be released weekly on Apple TV+.
The show was renewed for a third and fourth season in December 2024, following the release of the second season.
Spoilers for seasons 1-3 below.
Which book will Silo season 3 be based on?
Silo’s third season will be based on the second book in Hugh Howey’s series, ‘Shift’. However, there will be deviations from the source material to accommodate the main characters and introduce new storylines.
The second book delves into events that occurred 300 years before Juliette’s time, exploring the origins of the silos and their creators. The show may also incorporate elements from the third book, ‘Dust’.
Apple TV
What will the plot of Silo season 3 be?
The official description of season three of Silo teases a continuation of the dystopian society’s saga, along with an origin story set centuries earlier. The season will follow Juliette’s struggles after surviving a rebellion and facing new threats.
In the season 2 finale, Juliette arrived at Silo 18 amidst a rebellion, where she encountered Bernard Holland in a critical situation. The upcoming season is expected to explore more mysteries of the silos and reveal the origins of the apocalypse.
Who will be in the cast of Silo season 3?
Expect the following cast members to return for the third season of Silo:
- Rebecca Ferguson as Juliette Nichols
- Chinaza Uche as Paul Billings
- Common as Robert Sims
- Alexandria Riley as Camille Sims
- Avi Nash as Lukas Kyle
- Harriet Walter as Martha Walker
- Shane McRae as Knox
- Remmie Milner as Shirley
- Clare Perkins as Carla McLain
- Billy Postlethwaite as Hank
- Rick Gomez as Patrick Kennedy
- Steve Zahn as Jimmy Conroy / Solo

Apple TV
Jessica Henwick and Ashley Zukerman will also join the cast as series regulars for the upcoming season.
Iain Glen may not return for season 3 as Juliette’s father, and Tim Robbins is unlikely to reprise his role as Bernard Holland.
Will there be season 4 of Silo?
Yes, Apple has renewed the series for seasons 3 and 4, which will be filmed back-to-back. Season 4 will be the final season of the series.
How to watch Silo
Silo is exclusively available on Apple TV+. You can subscribe for $12.99/£9.99 per month, with a 7-day free trial available.
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