With a year to Season 3, Silo Season 4 has reportedly begun filming

Silo on Apple TV+ ( image via X/@SiloSeries)
Silo on Apple TV+ ( image via X/@SiloSeries)

The sci-fi series Silo is accelerating quickly toward its finale. Season 3 has yet to come out, but production for Season 4, the series' final installment, has already begun, according to reports. Cameras are currently rolling for the fourth season, a sign that Apple TV+ is committed to the story's wrap-up without any prolonging.

This move translates to the fact that fans can expect the final two seasons to drop closer together than anticipated. Season 3, which finished shooting in May 2025, is rumored to premiere next year on Apple TV+. While viewers wait to discover how the narrative unfolds, the production team is already set to take the series to its intended conclusion.

The showrunner, Graham Yost, has indicated since the beginning that Silo would be taking the path of Hugh Howey's trilogy and culminate in a fourth season, concluding all the storylines.

This two-track production, working on Season 3 while shooting Season 4, mirrors the creators' strategy to sustain pacing and ensure consistency in tone, cast, and storyline. For audiences, it promises a shorter delay between seasons and a set path to the end.


Silo Season 3 production and release schedule

Shooting for Season 3 concluded in May 2025 at Hoddesdon Studios outside London, People Magazine reports. Post-production, such as editing and special effects, is currently underway. Based on past timelines, Season 3 is speculated to air sometime in late 2025 or early 2026.

Graham Yost, the showrunner, clarified that the production schedule was created to reduce gaps between seasons. As reported by 9to5Mac, the production team made the decision to "roll straight from one season into the next," enabling them to maintain continuity while completing the story as intended.


Why the back-to-back filming?

Apple TV+ greenlit Seasons 3 and 4 of Silo simultaneously. This was done to maintain sets and plotlines consistent throughout the last two chapters. Director of photography Baz Irvine, a former alumnus, told Collider that shooting back-to-back assists in keeping visual and narrative flow, particularly since key locations established in Season 3 come into play in Season 4.

Other Apple TV+ shows have employed similar tactics to circumvent lengthy waits. This approach is cost-reducing and facilitates the availability of casts, a significant consideration for serialized fiction.


Creative team and cast for the final chapter

Michael Dinner is also back to direct major episodes of both seasons. Rebecca Ferguson remains as Juliette Nichols, guiding the cast through the endgame. Although the main cast is intact, new actors will join the cast for parts crucial to the show's conclusion.

Season 4 filming is said to be more ambitious in scale, with larger sets and new locations that depict the final stages of the story. This lines up with Graham Yost's dedication to completely adapting Hugh Howey's books.


How will the story conclude?

Silo is based on Hugh Howey's trilogy: Wool, Shift, and Dust. Seasons 1 and 2 borrowed mostly from Wool, and Season 3 brings in content from Shift. The fourth season will bring forward Dust, taking the story to its conclusion.

Yost explained that the Season 4 writing team has been collaborating with directors to make sure that the last chapter ties into the threads established throughout previous seasons. Apple TV+ has made Season 4 official as the final one, providing the show with a solid conclusion.


What can fans expect from Silo moving forward?

While fans wait for Season 3, back-to-back production means there might be little downtime between releases. As GameRant clarified, post-production of Season 3 would go on concurrently with the shoot for Season 4, enabling both seasons to be on parallel tracks.

This approach guarantees the show will find audiences sooner rather than later compared to conventional multi-season series. Since filming on the last season has begun, Apple TV+ can start teasing its finale the moment Season 3 is released.


Silo is nearing its intended conclusion, with Season 4 currently in production and Season 3 in the process of being filmed next year. Collectively, they will finish adapting Hugh Howey's trilogy and conclude the story to its end without prolonged delays.

Edited by Priscillah Mueni