Citadel (2023) — 2 Seasons

Name: Citadel
Genre: Drama, Crime, Action & Adventure
Rating: 6.9
Cast: Richard Madden, Priyanka Chopra Jonas, Ashleigh Cummings, Roland Møller, Lesley Manville

Where to watch Citadel

Citadel is available to stream on Nabby via 6 verified sources, aggregated from publicly available embed providers. The drama from Josh Appelbaum, David Weil has 2 seasons and 13 total episodes, rated 6.9/10 by 585 viewers. New episodes are still airing.

Last verified: October 13, 2026 · Source: TMDB

Episodes 13 total across 2 seasons

6 episodes20233 watched

Mason Kane and Nadia Sinh – top agents of the independent spy organization Citadel – collide with a nefarious, new syndicate – Manticore – leading to catastrophe. Eight years later, Mason Kane is living a quiet life as "Kyle Conroy," with no memory of his past. Until one day an old colleague enlists his help to stop a now powerful Manticore from creating a new world order.

S1 · E2

41m

▶

Spies Appear in Night Time✓

Apr 27, 2023★ 6.3

Kyle and Bernard journey to New York City to steal the Citadel X Case from Manticore Headquarters before it's too late. Later, Kyle learns that a figure from his past is still alive and he risks everything to find them.

As Kyle and Nadia land at an old safehouse, small clues about their past life together bubble to the surface. Soon, they discover a former ally who may be key to stopping Manticore is imprisoned in a facility in Morocco. In order to rescue him they first have to enlist the help of a local crime boss. But their mission is compromised as secrets of the past are unearthed.

After the shocking revelation of Abby's former identity, we learn of the past entanglements between Mason, Nadia and Celeste, and a horrific decision that reverberates still today. Meanwhile, Nadia and Kyle land at the Manticore compound in Morocco and risk their lives to free their fellow spy. But their hero's welcome is short-lived as they are forced to grapple with a dangerous accusation.

S1 · E5

39m

▶

Time Renders Us Enemies✓

May 18, 2023★ 5.3

Nadia, Kyle and Carter are forced to work together to escape from Manticore and protect the X Case, but suspicion of one of our heroes reaches a boiling point, leading to an explosive reckoning.

S1 · E6

50m

▶

Secrets in Night Need Early Rains✓

May 25, 2023★ 5.6

With one of their own being held hostage by Manticore, Kyle, Nadia and Carter risk everything to save them and thwart Manticore's plans to acquire nuclear weapons. As our heroes grapple with the nuclear threat, the identity of the mole within Citadel will be revealed, as will the awful truth that everything they know is a lie.

Frequently asked

How many seasons does Citadel have?

Citadel has 2 seasons with 13 episodes in total.

Is Citadel still on the air?

Citadel is currently in production and returning for new episodes.

What network airs Citadel?

Citadel airs on Prime Video.

When did Citadel first air?

Citadel first aired on April 27, 2023.

Cast

Full cast →

Richard Madden

Mason Kane / Kyle Conroy

Priyanka Chopra Jonas

Nadia Singh

Ashleigh Cummings

Abby Conroy

Roland Møller

Anders Silje / Davik Silje

Lesley Manville

Dahlia Archer

Stanley Tucci

Bernard Orlick

Gabriel Leone

Paolo Braga

Jack Reynor

James Hutch