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The Diplomat Season 3 Premieres Thursday on Netflix With West Wing Reunion

The new episodes resume right after the cliffhanger, with showrunner Debora Cahn calling the season a reset that "flips the chessboard."

Overview

  • Season 3 debuts October 16 at 3 a.m. ET/12 a.m. PT on Netflix.
  • All eight episodes will be released at once as part of Netflix’s full‑season drop.
  • The story picks up immediately after last season’s cliffhanger, centering on a sudden power shift in Washington and new pressure on Kate and Hal.
  • Bradley Whitford joins as First Gentleman Todd Penn, reuniting with Allison Janney from The West Wing.
  • Casting also includes a reported recurring turn from Aidan Turner in an undisclosed role, while Netflix has not announced a Season 4.