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The Best Episodes of Citadel

Every episode of Citadel ranked from best to worst. Let's dive into the Best Episodes of Citadel!

Binge this in 9h 17m•Peaking at 8.3/10

What if you lost your memory? What if a spy didn't know they were a spy? Years ago, the top agents of Citadel, Mason Kane and Nadia Sinh, had their minds wiped. But, they're called

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Episode Rankings

  1. #1 Fan Favorite
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    Citadel Season 2 Episode 6 - Highlands
    8.3/10(333 votes)

    #1 - Highlands

    S2:E6

    As Joana accelerates the plan to assassinate the Russian President at the G8 Summit, Mason and Nadia take Abby to a safehouse in Scotland. But when they uncover the horrific truth about what was done to Abby, it triggers a devastating chain of events.

    Director:Greg Yaitanes
    Writers:David Weil, David Rosen

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  2. Citadel Season 2 Episode 3 - Chinos
    8.1/10(340 votes)

    #2 - Chinos

    S2:E3

    As Paulo's plan accelerates, Mason and Nadia are forced into an uneasy alliance. Together with Bernard, Hutch, Celine, and Frank Sharpe, they mount a daring mission to uncover the identity of a mysterious hacker who is key to stopping a global catastrophe.

    Director:Joe Russo
    Writers:David Rosen, Gursimran Sandhu

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  3. Citadel Season 2 Episode 4 - Unreasonable
    7.9/10(327 votes)

    #3 - Unreasonable

    S2:E4

    After extracting Edison's true identity, the team pivots to a high-profile gala where their target is expected to appear. But as tensions between Mason and Nadia reach a breaking point and enemies close in, a rogue decision threatens to upend the entire mission.

    Director:Joe Russo
    Writers:David Weil, David Rosen, Tori Sampson

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  4. Citadel Season 2 Episode 2 - Cold Plunge
    7.7/10(358 votes)

    #4 - Cold Plunge

    S2:E2

    Abby's escape triggers deadly events as Mason fights Manticore assassins. Paulo and Joana advance their weapon while pursuing Mason. Bernard and Hutch race to reunite the group. After a violent clash with Nadia, Mason seeks help from an old enemy and uncovers Bernard's dark secret.

    Director:Joe Russo
    Writer:David Rosen

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  5. Citadel Season 2 Episode 5 - Heirlooms
    7.5/10(309 votes)

    #5 - Heirlooms

    S2:E5

    Mason and Dahlia set a high-stakes prisoner exchange in motion to negotiate for Abby's release. But as Mason's unraveling threatens to derail the plan, both sides race to execute the trade, leading to a shocking revelation from Abby that changes everything.

    Director:David Weil
    Writers:David Weil, Kennedy Edmonds

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  6. Citadel Season 2 Episode 7 - Chin Chin
    7.5/10(344 votes)

    #6 - Chin Chin

    S2:E7

    Citadel agents race to prevent Joana's assassination of President Aronov at the G8 Summit, where she plans to seize control of Russian satellites. The team must execute a dangerous infiltration mission and face impossible and deadly choices in a final confrontation.

    Director:Greg Yaitanes
    Writers:David Weil, David Rosen

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    7. Trending NowTRENDING NOW

    The 20 WORST Episodes of Citadel

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  7. Citadel Season 1 Episode 1 - The Human Enigma
    6.8/10(2750 votes)

    #7 - The Human Enigma

    S1:E1

    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.

    Director:Newton Thomas Sigel
    Writer:Unknown

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  8. Citadel Season 2 Episode 1 - Baked Alaskas
    6.6/10(452 votes)

    #8 - Baked Alaskas

    S2:E1

    Mason, Nadia, and Bernard hide across Europe after Season 1's events. While Mason battles identity issues and Nadia flees with her daughter from operative Aparna, Bernard allies with ex-CIA Agent Hutch to stop Paulo Braga. A secret emerges when Nadia faces Frank Sharpe.

    Director:Joe Russo
    Writer:David Weil

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  9. Citadel Season 1 Episode 2 - Spies Appear in Night Time
    6.3/10(2514 votes)

    #9 - Spies Appear in Night Time

    S1:E2

    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.

    Director:Newton Thomas Sigel
    Writers:David Weil, Bryan Oh

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  10. Citadel Season 1 Episode 4 - Tell Her Everything
    6.0/10(1659 votes)

    #10 - Tell Her Everything

    S1:E4

    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.

    Directors:Newton Thomas Sigel, Jessica Yu
    Writer:Unknown

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  11. Citadel Season 1 Episode 6 - Secrets in Night Need Early Rains
    5.7/10(1756 votes)

    #11 - Secrets in Night Need Early Rains

    S1:E6

    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.

    Director:Newton Thomas Sigel
    Writers:Bryan Oh, Josh Appelbaum

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  12. Citadel Season 1 Episode 3 - Infinite Shadows
    5.6/10(1941 votes)

    #12 - Infinite Shadows

    S1:E3

    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.

    Directors:Newton Thomas Sigel, Jessica Yu
    Writers:David Weil, Melissa Glenn

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  13. Citadel Season 1 Episode 5 - Time Renders Us Enemies
    5.2/10(1639 votes)

    #13 - Time Renders Us Enemies

    S1:E5

    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.

    Director:Newton Thomas Sigel
    Writer:Unknown

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Best Episodes Summary

"Highlands" is the best rated episode of "Citadel". It scored 8.3/10 based on 333 votes. Directed by Greg Yaitanes and written by David Weil, David Rosen, it aired on 5/6/2026. This episode scored 0.2 points higher than the second highest rated, "Chinos".