When did The Diplomat Season 3 Episode 4 air?
The Diplomat Season 3 Episode 4 aired on October 16, 2025.


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.

Kate's unique role grants her access to anyone she wants — except the one person she needs. Dennison puts actionable intelligence to personal use.
Direct answers for episode-level questions and details.
The Diplomat Season 3 Episode 4 aired on October 16, 2025.
This episode runs for approximately 51 minutes.
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