Original SeasonSeasoned US diplomat Kate Wyler is suddenly appointed ambassador to the UK amidst a high-voltage international naval crisis and turbulent political marriage.
Kate Wyler faces her greatest diplomatic and political test yet as international alliances and global covert operations reach a dramatic crossroads.
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Every season of The Diplomat in chronological order, with premiere dates and episode counts.
Original SeasonSeasoned US diplomat Kate Wyler is suddenly appointed ambassador to the UK amidst a high-voltage international naval crisis and turbulent political marriage.

A deadly explosion in central London upends Kate’s world, uncovering conspiratorial ties that reach into the very apex of the British administration.

In Season 3, 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 the leader of the free world. None…
Current SeasonIn Season Four of The Diplomat, two marriages threaten to eat each other alive. One catastrophic moment shatters the fragile peace Kate Wyler brokered between the US and UK, as well as the crumbling marriage she's trying to save. While she fights to stem the bleeding, President Grace Penn and VP Hal Wyler's conspiracy to steal Russia's most powerful weapon…
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The Diplomat is streaming on Netflix in India.
The Diplomat was released on 15 October 2026.
The web series stars Keri Russell, Rufus Sewell, David Gyasi, Ali Ahn, Rory Kinnear.
The Diplomat is directed by Tucker Gates, Liza Johnson.
The Diplomat has an IMDb rating of 8.1/10 from 108K votes.
Details checked against JustWatch India, TVmaze and Wikipedia, last verified on 5 November 2026. Spotted a mistake? Write to [email protected].