Overview

• Netflix confirmed Season 3 will debut on October 16, 2025, though Variety reported a minor alternate date of October 18.
• A newly released teaser features Allison Janney’s Grace Penn being sworn in as president, underscoring the season’s heightened political stakes.
• Bradley Whitford officially joins the cast as First Gentleman Todd Penn in an expanded eight-episode run.
• Production on Season 3 wrapped in London and New York, reflecting the series’s broader international scope.
• Netflix has already renewed The Diplomat for a fourth season, extending the political thriller beyond its upcoming installment.