The Diplomat Season 4
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 4 premiered on Netflix on October 15, 2026.
The Diplomat Season 4 premiered on Netflix on October 15, 2026.
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 15
Released
Next season
Renewed
Episode guide
Episodes
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
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.
- Renewal · NetflixMay 14, 2025Reported
“Netflix Renews... and 6 More Shows”
- Season premiere · NetflixOctober 15, 2026Reported
“The Diplomat season 4: October 15, 2026 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 15, 2026 on Netflix
In post-production
Renewed for another season (May 14, 2025)
Renewed (May 14, 2025)