Apple TV has officially confirmed that the fourth and final season of its acclaimed dystopian sci-fi series “Silo” will premiere in summer 2027. The fourth and final season of #Silo premieres summer 2027. pic.twitter.com/j4vhyf27xM — Apple TV (@AppleTV) July 25, 2026“Silo” follows the last remnants of humanity living in a massive underground bunker, protected from a toxic outside world they barely understand. Season 3, which premiered on July 3, 2026, is currently airing weekly on Apple TV, with new episodes dropping every Friday through September 4th. Fans can continue catching up on or following Season 3 on Apple TV right now. When Season 4 arrives in summer 2027, it will mark the definitive end of the “Silo” series, and the larger story of the silos.