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The Best Episodes of The Diplomat

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

Binge this in 18h 18m•Peaking at 8.1/10

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 Fan Favorite
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    The Diplomat Season 3 Episode 8 - Schrodinger's Wife
    8.1/10(1606 votes)

    #1 - Schrodinger's Wife

    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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  2. The Diplomat Season 3 Episode 6 - Amagansett
    7.9/10(1353 votes)

    #2 - Amagansett

    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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  3. The Diplomat Season 1 Episode 3 - Lambs in the Dark
    7.7/10(2440 votes)

    #3 - Lambs in the Dark

    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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  4. The Diplomat Season 3 Episode 1 - Emperor Dead
    7.7/10(1613 votes)

    #4 - Emperor Dead

    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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  5. The Diplomat Season 3 Episode 5 - Birdwatchers
    7.7/10(1234 votes)

    #5 - Birdwatchers

    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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  6. The Diplomat Season 3 Episode 7 - PNG
    7.7/10(1236 votes)

    #6 - PNG

    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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    The 20 WORST Episodes of The Diplomat

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  7. The Diplomat Season 2 Episode 5 - Our Lady of Immaculate Deception
    7.6/10(1679 votes)

    #7 - Our Lady of Immaculate Deception

    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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  8. The Diplomat Season 3 Episode 3 - The Riderless Horse
    7.6/10(1279 votes)

    #8 - The Riderless Horse

    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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  9. The Diplomat Season 3 Episode 4 - Arden
    7.6/10(1243 votes)

    #9 - Arden

    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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  10. The Diplomat Season 3 Episode 2 - Last Dance at the Country Club
    7.5/10(1356 votes)

    #10 - Last Dance at the Country Club

    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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  11. The Diplomat Season 2 Episode 6 - Dreadnought
    7.4/10(2592 votes)

    #11 - Dreadnought

    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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  12. The Diplomat Season 1 Episode 6 - Some Lusty Tornado
    7.3/10(1984 votes)

    #12 - Some Lusty Tornado

    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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  13. The Diplomat Season 2 Episode 3 - The Ides of March
    7.3/10(1540 votes)

    #13 - The Ides of March

    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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  14. The Diplomat Season 2 Episode 4 - The Other Army
    7.3/10(1589 votes)

    #14 - The Other Army

    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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  15. The Diplomat Season 1 Episode 1 - The Cinderella Thing
    7.2/10(2839 votes)

    #15 - The Cinderella Thing

    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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  16. The Diplomat Season 1 Episode 8 - The James Bond Clause
    7.2/10(3000 votes)

    #16 - The James Bond Clause

    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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  17. The Diplomat Season 2 Episode 2 - St. Paul's
    7.1/10(1603 votes)

    #17 - St. Paul's

    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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  18. The Diplomat Season 1 Episode 2 - Don't Call It a Kidnapping
    7.0/10(2431 votes)

    #18 - Don't Call It a Kidnapping

    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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  19. The Diplomat Season 1 Episode 7 - Keep Your Enemies Closer
    6.8/10(1986 votes)

    #19 - Keep Your Enemies Closer

    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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  20. The Diplomat Season 1 Episode 4 - He Bought a Hat
    6.7/10(2146 votes)

    #20 - He Bought a Hat

    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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  21. The Diplomat Season 1 Episode 5 - The Dogcatcher
    6.7/10(2058 votes)

    #21 - The Dogcatcher

    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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  22. The Diplomat Season 2 Episode 1 - When a Stranger Calls
    6.7/10(1764 votes)

    #22 - When a Stranger Calls

    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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Best Episodes Summary

"Schrodinger's Wife" is the best rated episode of "The Diplomat". It scored 8.1/10 based on 1606 votes. Directed by Alex Graves and written by Debora Cahn, it aired on 10/16/2025. This episode scored 0.2 points higher than the second highest rated, "Amagansett".