The Diplomat backdrop
DramaWar & Politics

The Best Episodes of The Diplomat Season 3

Every episode of The Diplomat Season 3 ranked from best to worst. Discover the Best Episodes of The Diplomat Season 3!

Binge this in 6h 32mPeaking at 8.4/10

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.

Airs on

Seasons3

Episode Rankings

  1. #1 Fan Favorite
    The Diplomat Season 3 Episode 1 - Emperor Dead
    8.4/10(1372 votes)

    #1 - 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

    Be the first to start the conversation for this episode

  2. The Diplomat Season 3 Episode 2 - Last Dance at the Country Club
    7.8/10(1138 votes)

    #2 - 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

    Be the first to start the conversation for this episode

  3. The Diplomat Season 3 Episode 3 - The Riderless Horse
    7.9/10(1072 votes)

    #3 - 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

    Be the first to start the conversation for this episode

  4. The Diplomat Season 3 Episode 4 - Arden
    7.5/10(1031 votes)

    #4 - 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.

    Be the first to start the conversation for this episode

  5. The Diplomat Season 3 Episode 5 - Birdwatchers
    7.6/10(1020 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

    Be the first to start the conversation for this episode

  6. The Diplomat Season 3 Episode 6 - Amagansett
    8.3/10(1124 votes)

    #6 - 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.

    Be the first to start the conversation for this episode

  7. Trending NowTRENDING NOW

    The 20 BEST Episodes of The Diplomat

    READ
  8. The Diplomat Season 3 Episode 7 - PNG
    7.4/10(1019 votes)

    #7 - 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.

    Be the first to start the conversation for this episode

  9. The Diplomat Season 3 Episode 8 - Schrodinger's Wife
    8.4/10(1346 votes)

    #8 - 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

    Be the first to start the conversation for this episode

Season 3 Ratings Summary

"Emperor Dead" is the best rated episode of "The Diplomat" season 3. It scored 8.4/10 based on 1372 votes. Directed by Alex Graves and written by Debora Cahn, it aired on 10/16/2025. This episode is rated 0.6 points higher than the second-best, "Last Dance at the Country Club".