Oct 16, 2025 · 42m
Amid a growing constitutional crisis, the staff scrambles to stage an impromptu inauguration, while Hal exploits the chaos behind the scenes.


No alliance lasts forever.
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.
Browse every episode and jump into details.
Oct 16, 2025 · 42m
Amid a growing constitutional crisis, the staff scrambles to stage an impromptu inauguration, while Hal exploits the chaos behind the scenes.
Oct 16, 2025 · 47m
Kate weighs a compelling offer. Eidra faces scrutiny over fallout from the Roylin debacle. Stuart pitches a proposal that goes far deeper than policy.
Oct 16, 2025 · 52m
As the nation pauses to mourn, Grace considers the framework of her administration. Private strain threatens Kate and Hal's polished public image.
Oct 16, 2025 · 51m
Kate's unique role grants her access to anyone she wants — except the one person she needs. Dennison puts actionable intelligence to personal use.
Oct 16, 2025 · 43m
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.
Oct 16, 2025 · 50m
At an emergency strategy session, Grace weighs unthinkable choices, while Kate rolls the dice on a gamble that could alter the course of history.
Oct 16, 2025 · 52m
Sequestered inside Winfield House as embassies go on alert and allies fall silent, Kate and Callum race to contain a potential disaster.
Oct 16, 2025 · 55m
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.
Quick answers about this season's release timeline and episode lineup.
The Diplomat Season 3 premiered on October 16, 2025.
The Diplomat Season 3 has 8 episodes.
The season opens with Season 3 Episode 1, "Emperor Dead". It aired on October 16, 2025.
Go to Season 3 Episode 1