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The Diplomat Season 3 Episode release dates & where to watch

Released

Thursday, October 16, 2025

All episodes at once

When does The Diplomat Season 3 come out?

All 8 episodes of The Diplomat Season 3 were released at once on Thursday, October 16, 2025 on Netflix.

Ambassador Kate Wyler lives the particular nightmare that is getting what you want. She just accused Vice President Grace Penn of hatching a terrorist plot and admitted she's after the VP's job. But now the President is dead, Kate's husband Hal may have inadvertently killed him, and Grace Penn is leader of the free world. None of this slows Hal's campaign to land Kate the vice presidency. Kate steps into a role she never wanted, with a freedom she never expected, an increasingly complicated friendship with Foreign Secretary Austin Dennison, and an unnerving bond with First Gentleman Todd Penn.

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The Diplomat Season 3 release schedule

The Diplomat Season 3 episode release dates
Episode Release date

1. Emperor Dead

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

Thursday · 1 year ago

2. Last Dance at the Country Club

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

Thursday · 1 year ago

3. The Riderless Horse

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

Thursday · 1 year ago

4. Arden

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

Thursday · 1 year ago

5. Birdwatchers

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.

Thursday · 1 year ago

6. Amagansett

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

Thursday · 1 year ago

7. PNG

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

Thursday · 1 year ago

8. Schrodinger's Wife Finale

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.

Thursday · 1 year ago

The Diplomat Season 3 guest stars

  • Bradley Whitford

    Bradley Whitford

    Todd Penn

  • Allison Janney

    Allison Janney

    President Grace Penn

  • Celia Imrie

    Celia Imrie

    Meg Roylin

  • Nana Mensah

    Nana Mensah

    Billie Appiah

  • Miguel Sandoval

    Miguel Sandoval

    Miguel Ganon

  • Penny Downie

    Penny Downie

    Frances Munning

  • Adam Silver

    Adam Silver

    Howard

  • Tim Delap

    Tim Delap

    Byron

  • Kenichiro Thomson

    Kenichiro Thomson

    Martin

  • Georgie Henley

    Georgie Henley

    Pensy

  • Richard Dillane

    Richard Dillane

    Tom Libby

  • Graham Miller

    Neil Barrow

  • Sandy Amon-Schwartz

    Sandy

  • Pandora Colin

    Pandora Colin

    Lydia Trowbridge

  • Rosaline Elbay

    Rosaline Elbay

    Nora Koriem

  • Alysia Reiner

    Alysia Reiner

    Agent Griffin

The Diplomat Season 3 FAQ

When does The Diplomat Season 3 come out?

The Diplomat Season 3 premiered Thursday, October 16, 2025 on Netflix.

How many episodes are in The Diplomat Season 3?

The Diplomat Season 3 has 8 episodes.

Are new episodes of The Diplomat Season 3 released weekly?

All episodes are released at once.

When is the The Diplomat Season 3 finale?

The The Diplomat Season 3 finale (Episode 8) aired Thursday, October 16, 2025.

How do I get notified when new The Diplomat Season 3 episodes are released?

Download the Streambay app and follow The Diplomat. You'll get a push notification the moment each new episode is out.

Never miss The Diplomat Season 3.

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