Apple TV's *Silo* series returns with a gripping Season 3 teaser, expanding its post-apocalyptic universe. The show, set in a world where 10,000 survivors live underground after a cataclysmic event, introduces new threats as the silo recovers from rebellion. Juliette Nichols (Cailee Ferguson) emerges from forced "cleaning" with memory loss, while Holland (Nonso Anozie) remains missing after being trapped in an incinerator during the Season 2 finale. Flashbacks to the "Before Times" reveal journalist Helen Drew (Jessica Henwick) and Congressman Daniel Keene (Ashley Zukerman) uncovering a conspiracy tied to the U.S. dirty bomb attack on Iran, setting off irreversible consequences.