Silo
In a ruined and toxic future, thousands live in a giant silo deep underground. After its sheriff breaks a cardinal rule and residents die mysteriously, engineer Juliette starts to uncover shocking secrets and the truth about the silo.
Season 3 · Episode 8 ·
Gray Goo
Knox's father Gus comes clean about a secret. Charlotte makes a life-changing decision.
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Episode 8 of season 3 of Silo: “Gray Goo”. Aired 2026-08-20. Watch it online free on ZapFlix.