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Silo season 4 release date speculation, plot theories, cast, and everything we know about the final season
Silo season 4, the final season of the Apple TV+ science fiction series, is slated for a Summer 2027 release, with filming having concluded in March 2026. The upcoming season is expected to resolve major plot mysteries from previous seasons, including the conflict between Silo 18 and Silo 1, and will feature returning cast members like Rebecca Ferguson as Juliette Nichols. A trailer has been released exclusively on Apple TV+.
