In its Season 3 finale episode, “Troy,” Silo changed forever. After a full season with two parallel timelines, one following Juliette in Silo 18 in a post-apocalyptic wasteland, and the other following Helen Drew (Jessica Henwick), Congressman Daniel Keene (Ashley Zukerman), and Daniel’s sister Charlotte (Jessica Brown-Findlay).
In the penultimate episode, we finally saw what actually caused the apocalypse, but that was far from the biggest surprise in the season. The finale was so shocking even the cast members didn’t know what to expect.
