Silo season 3: Apple TV confirms premiere on July 3 and publishes the official trailer

The official Silo account and Apple TV published the trailer for the third season: ten weekly episodes starting July 3, 2026, with a double timeline between the silo and the "Before Times."

Rebecca Ferguson as Juliette Nichols in the Silo season 3 trailer
The trailer for the third season shows Juliette Nichols back in the silo after surviving her forced "cleansing", while the "Before Times" plot progresses in parallel. Source: Apple TV — Silo Season 3 Official Trailer

Apple TV and the official Silo account published the trailer for the third season on June 2, 2026. The dystopian science fiction series, based on the Silo trilogy by Hugh Howey, returns on July 3, 2026 with ten episodes that will premiere every Friday until September 4. The announcement came accompanied by messages on target="_blank" rel="noopener noreferrer">@AppleTV, where Apple reminds: «Be careful what you don't say».

Official trailer and calendar

The two-and-a-half-minute clip confirms the campaign's tagline—"The end of the world had a beginning"—and shows Juliette Nichols (Rebecca Ferguson) returning to the silo with memory gaps after the events of season two. In parallel, the "Before Times" line follows journalist Helen Drew (Jessica Henwick) and Congressman Daniel Keene (Ashley Zukerman) as they uncover a conspiracy with irreversible consequences.

Video: official trailer for Silo season 3

Apple TV will premiere the first chapter on Friday, July 3, 2026; the rest will arrive weekly until September 4, according to the press release.

What is Silo: the series before T3

For those who arrive now: Silo tells the life of some 10,000 people who live in a huge underground silo, convinced that the outside is toxic. Those who question the rules of the compound—including the prohibition of talking about the outside world—risk expulsion to the surface in a ritual called “cleansing.” Engineer Juliette investigates the death of a loved one and discovers that the silo's lies run deeper than she imagined. The Apple TV adaptation, created by Graham Yost, premiered in 2023 and became one of the most viewed original series on the platform.

Video: trailer for the first season (introduction to the series)

The original 2023 trailer sums up the premise: "Don't leave the silo." Based on the novel Wool, the series mixes mystery, dystopia and political thriller in a single claustrophobic setting.

Juliette Nichols looks inside the silo in the original Silo trailer
Rebecca Ferguson has led the cast since the first season; In Season 3, she shares the spotlight with Jessica Henwick and Ashley Zukerman in the original timeline. Source: Apple TV — Silo Official Trailer

What season 3 brings

According to Apple TV, the third installment continues the silo saga while delving into the pre-apocalypse past. Juliette returns after surviving her forced cleansing, but with memory loss, as the compound recovers from a rebellion and faces a new threat. In the "Before Times", Helen Drew and Daniel Keene reveal a conspiracy that chains catastrophic events. The cast expands the cast with Colin Hanks, Common, Steve Zahn and Alexandria Riley, among others.

On networks, the account @SiloSeries highlighted the "new mayor of Silo 18", a sign that the internal politics of the bunker will continue to be the driving force of the conflict. A few days later, the same profile published a countdown reminder—"One month left..."—with a promotional clip that intensifies the campaign prior to the July 3 premiere (June 3 publication).

In summary

When is Silo back? July 3, 2026 on Apple TV, with a new episode every Friday until September 4. Is there a trailer? Yes: the official season 3 trailer is on YouTube and was shared by Apple TV and @SiloSeries. Do you need to see the previous ones? Yes, recommended: T3 resumes the silo rebellion and the original plot started in T2. If you haven't seen it yet, seasons 1 and 2 are available on Apple TV before the July premiere.