Eight years ago, Citadel, an independent global spy agency, was destroyed by a new syndicate, Manticore. With their memories wiped, elite agents Mason Kane and Nadia Sinh barely escaped with their lives. Eight years later, Mason's former colleague, Bernard Orlic, asks for his help to prevent Manticore from establishing a new world order.
Citadel Ended after Season 2
Amazon Prime Video aired the final episode on Tuesday 12th May 2026