When does The Diplomat return?

The Diplomat is an American political thriller television series created by Debora Cahn. It stars Keri Russell as a veteran U.S. diplomat who is unexpectedly appointed as the ambassador to the United Kingdom. The series premiered on Netflix on April 20, 2023, and was renewed for a third season in October 2024. The show received critical acclaim for its writing, pacing, and performances, particularly that of Russell and Janney.
The series centers on Kate Wyler, the new U.S. ambassador to the United Kingdom. She helps to defuse an international crisis and forges strategic alliances. She also manages her deteriorating marriage to fellow career diplomat Hal Wyler.