The Diplomat Season 3
Created by Debora Cahn
A career Foreign Service officer unexpectedly becomes U.S. Ambassador to the United Kingdom amid an international crisis, juggling high-stakes diplomacy with a complicated marriage.
The Diplomat Season 3 premiered on Netflix on October 16, 2025.
The Diplomat Season 3 premiered on Netflix on October 16, 2025.
Where to watch in the US
Current US catalog status not verified
Originally released on Netflix. We haven’t independently confirmed whether it remains available there.
Release details
Known dates and milestones
Released
Netflix
Since Oct 16, 2025
Episode guide
Episodes
- 1
Emperor Dead source at TVmaze
Amid a growing constitutional crisis, the staff scrambles to stage an impromptu inauguration, while Hal exploits the chaos behind the scenes.
- 2
Last Dance at the Country Club source at TVmaze
Kate weighs a compelling offer. Eidra faces scrutiny over fallout from the Roylin debacle. Stuart pitches a proposal that goes far deeper than policy.
- 3
The Riderless Horse source at TVmaze
As the nation pauses to mourn, Grace considers the framework of her administration. Private strain threatens Kate and Hal's polished public image.
- 4
Arden source at TVmaze
Kate's unique role grants her access to anyone she wants — except the one person she needs. Dennison puts actionable intelligence to personal use.
- 5
Birdwatchers source at TVmaze
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.
- 6
Amagansett source at TVmaze
At an emergency strategy session, Grace weighs unthinkable choices, while Kate rolls the dice on a gamble that could alter the course of history.
- 7
PNG source at TVmaze
Sequestered inside Winfield House as embassies go on alert and allies fall silent, Kate and Callum race to contain a potential disaster.
- 8
Schrodinger's Wife source at TVmaze
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.
Cast and crew
More to watch
About this information
Sources and attribution
Supporting links and attribution for the dates, credits, schedules and watch options shown on this page.
- Season premiere · NetflixOctober 16, 2025Reported
“The Diplomat season 3: October 16, 2025 on Netflix”
- Cast and crew data
- Cast and crew data
- Season release history
Release dates retain the source wording. Season history records original premieres; availability receipts identify options that can be used now or later.
Past changes
Season premiere date announced: October 16, 2025 on Netflix