The post-apocalyptic sci-fi drama returns for a third season that splits its focus between the far future, when Earth’s survivors are living deep underground in bunker-like silos with little knowledge of their history, and present-day “Before Times,” where, with eerie timeliness, the U.S. is engaged in a savage military conflict with Iran. In the Silo world, Juliette (Rebecca Ferguson) has returned home a hero, the only person ever to have ventured out into the world and survived, but she has no memory of her time in the neighboring silo. In the present day, Congressman Daniel Keene (Succession‘s Ashley Zukerman) seeks information about a retaliatory strike against Iran after a dirty bomb exploded in the nation’s capital…..