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The Worst Episodes of The Diplomat

Every episode of The Diplomat ranked from worst to best. Explore the Worst Episodes of The Diplomat!

Binge this in 1d 1h•Peaking at 9.3/10

Amid an international crisis, a US diplomat contends with her high-profile job as ambassador to the UK and her strained marriage to a political star.

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Episode Rankings

  1. #1 Worst Episode
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    The Diplomat Season 3 Episode 7 - PNG
    7.3/10(1348 votes)

    S3:E7

    Sequestered inside Winfield House as embassies go on alert and allies fall silent, Kate and Callum race to contain a potential disaster.

    Director:Alex Graves
    Writer:Julianna Dudley Meagher

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  2. The Diplomat Season 3 Episode 4 - Arden
    7.5/10(1358 votes)

    S3:E4

    Kate's unique role grants her access to anyone she wants — except the one person she needs. Dennison puts actionable intelligence to personal use.

    Director:Tucker Gates
    Writer:Jessica Brickman

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  3. The Diplomat Season 3 Episode 5 - Birdwatchers
    7.5/10(1350 votes)

    S3:E5

    Forced to play the perfect couple, Kate and Hal confront a looming problem in international waters and a development that could torpedo U.S. credibility.

    Director:Liza Johnson
    Writer:Peter Noah

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  4. The Diplomat Season 1 Episode 1 - The Cinderella Thing
    7.6/10(3031 votes)

    S1:E1

    After a hostile attack on a British vessel, seasoned diplomat Kate Wyler assumes a new role in the UK that puts her skills — and marriage — to the test.

    Director:Simon Cellan Jones
    Writer:Debora Cahn

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  5. The Diplomat Season 1 Episode 2 - Don't Call It a Kidnapping
    7.7/10(2560 votes)

    S1:E2

    As new details about the bombing emerge, Kate struggles to see eye-to-eye with Hal. Prime Minister Trowbridge's fiery remarks at a funeral cause a stir.

    Director:Simon Cellan Jones
    Writer:Peter Noah

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  6. The Diplomat Season 1 Episode 5 - The Dogcatcher
    7.8/10(2166 votes)

    S1:E5

    Tempers flare at Chevening House, where an unexpected guest's arrival sends Kate and Dennison scrambling for a resolution. Hal makes a new connection.

    Director:Liza Johnson
    Writer:Unknown

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  7. The Diplomat Season 2 Episode 3 - The Ides of March
    7.8/10(1637 votes)

    S2:E3

    A lavish Fourth of July party gives Kate a chance to help Dennison, who sees an opportunity after the prime minister's announcement about Lenkov.

    Director:Tucker Gates
    Writer:Peter Noah

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  8. The Diplomat Season 3 Episode 2 - Last Dance at the Country Club
    7.8/10(1479 votes)

    S3:E2

    Kate weighs a compelling offer. Eidra faces scrutiny over fallout from the Roylin debacle. Stuart pitches a proposal that goes far deeper than policy.

    Director:Alex Graves
    Writer:Anna Hagen

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  9. The Diplomat Season 3 Episode 3 - The Riderless Horse
    7.8/10(1392 votes)

    S3:E3

    As the nation pauses to mourn, Grace considers the framework of her administration. Private strain threatens Kate and Hal's polished public image.

    Director:Tucker Gates
    Writer:Eli Attie

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  10. The Diplomat Season 1 Episode 6 - Some Lusty Tornado
    7.9/10(2094 votes)

    S1:E6

    To appease Trowbridge, Kate seeks Hal's help with a high-profile visitor and consults an informed source in secret as complicated feelings begin to grow.

    Director:Liza Johnson
    Writer:Anna Hagen

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  11. The Diplomat Season 1 Episode 7 - Keep Your Enemies Closer
    7.9/10(2091 votes)

    S1:E7

    After a sit-down with a Russian ambassador leads to new intel and mixed messages, Kate takes a trip to the Oval Office and reconnects with an old friend.

    Director:Alex Graves
    Writer:Peter Noah

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  12. The Diplomat Season 2 Episode 1 - When a Stranger Calls
    7.9/10(1868 votes)

    S2:E1

    After rushing back to London, Kate shares her suspicions about the bombing. The search is on for Lenkov — and Roylin. Eidra delivers devastating news.

    Director:Alex Graves
    Writer:Unknown

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  13. The Diplomat Season 2 Episode 2 - St. Paul's
    7.9/10(1699 votes)

    S2:E2

    Eidra helps sneak an unannounced guest into Grove's funeral, Kate realizes she might have made a bad call before the bombing, and Stuart speaks his mind.

    Director:Alex Graves
    Writer:Peter Ackerman

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  14. The Diplomat Season 1 Episode 4 - He Bought a Hat
    8.0/10(2259 votes)

    S1:E4

    As Rayburn's rep takes a hit, Kate drops in on Dennison's private meeting at the UK Foreign Office and learns startling information about the attack.

    Director:Andrew Bernstein
    Writer:Amanda Johnson-Zetterström

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  15. The Diplomat Season 1 Episode 3 - Lambs in the Dark
    8.2/10(2572 votes)

    S1:E3

    At Winfield, President Rayburn's plans in the Gulf have the staff on edge as tensions between a determined Hal and a strong-willed Kate come to a head.

    Director:Andrew Bernstein
    Writer:Debora Cahn

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  16. The Diplomat Season 2 Episode 4 - The Other Army
    8.3/10(1684 votes)

    S2:E4

    Kate proposes a unique solution to the Roylin problem. A risky plan unfolds at the prime minister's event in Scotland. Stuart confronts his feelings.

    Director:Tucker Gates
    Writer:Unknown

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  17. The Diplomat Season 3 Episode 6 - Amagansett
    8.3/10(1472 votes)

    S3:E6

    At an emergency strategy session, Grace weighs unthinkable choices, while Kate rolls the dice on a gamble that could alter the course of history.

    Director:Liza Johnson
    Writers:Debora Cahn, Peter Ackerman

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  18. The Diplomat Season 3 Episode 8 - Schrodinger's Wife
    8.3/10(1723 votes)

    S3:E8

    Kate must use all her leverage and political instincts to avert a catastrophe at a high-stakes summit — with the fate of nations hanging in the balance.

    Director:Alex Graves
    Writer:Debora Cahn

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  19. The Diplomat Season 3 Episode 1 - Emperor Dead
    8.4/10(1754 votes)

    S3:E1

    Amid a growing constitutional crisis, the staff scrambles to stage an impromptu inauguration, while Hal exploits the chaos behind the scenes.

    Director:Alex Graves
    Writer:Debora Cahn

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  20. The Diplomat Season 2 Episode 5 - Our Lady of Immaculate Deception
    8.5/10(1777 votes)

    S2:E5

    Vice President Grace Penn arrives in London with an agenda — and advice — as fallout from Roylin's bombshell affects Kate's relationship with Trowbridge.

    Director:Alex Graves
    Writer:Anna Hagen

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  21. The Diplomat Season 4 Episode 3 - The Typo
    8.5/10(4 votes)

    S4:E3

    A budgetary snag threatens to torpedo negotiations, with costly implications for the US. Stuart and Eidra get personal as they weigh their next move.

    Director:Liza Johnson
    Writer:Jessica Brickman

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  22. The Diplomat Season 1 Episode 8 - The James Bond Clause
    8.6/10(3121 votes)

    S1:E8

    In London, Hal's actions cause friction as Kate heads to Paris with Dennison to get a handle on the Lenkov situation, which soon takes a shocking turn.

    Director:Alex Graves
    Writer:Debora Cahn

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  23. The Diplomat Season 4 Episode 7 - Phony Negroni
    8.7/10(5 votes)

    S4:E7

    Personal and political lives collide — and damaging secrets surface — when Kate and Hal join Grace and Todd in Italy ahead of the G7 summit.

    Director:Alex Graves
    Writer:Anna Hagen

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  24. The Diplomat Season 2 Episode 6 - Dreadnought
    8.8/10(2695 votes)

    S2:E6

    Kate puts her best foot forward after pillow talk with Hal forces her to face hard truths, and Vice President Penn offers a blunt lesson in geopolitics.

    Director:Alex Graves
    Writer:Debora Cahn

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  25. The Diplomat Season 4 Episode 2 - Redcoats
    8.8/10(4 votes)

    S4:E2

    A shocking security breach sends the administration into crisis as Hal assumes new duties. Trowbridge launches a manhunt, and Kate looks to the future.

    Director:Alex Graves
    Writer:Debora Cahn

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Worst Episodes Summary

"PNG" is the worst rated episode of "The Diplomat". It scored 7.3/10 based on 1348 votes. Directed by Alex Graves and written by Julianna Dudley Meagher, it aired on 10/16/2025. This episode scored 0.2 points lower than the second lowest rated, "Arden".