The BEST seasons of Citadel

Every season of Citadel ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Citadel!

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.