The Diplomat season 4 release time (by time zone), episode count, and what to know

After a year-long wait, an Emmy Award win, and a very necessary revisiting of Keri Russell's most iconic television role of all time, The Diplomat season 4 has finally arrived on Netflix. The political thriller returns for its fourth season amid the show's biggest thrust of momentum yet, and we're not just talking about more eyes being on the show than ever following its awards success.

The Diplomat season 4 returns in the midst of the fan-favorite Netflix original series taking its grandest creative swings with a shift in presidential power. Now that Penn (Allison Janney) and Hal (Rufus Sewell) are in office as the President and Vice President, Kate's (Keri Russell) stuck in the middle of what could be one of the most dangerous partnerships for the nation.

As the season 3 finale revealed, Penn and Hal cooked up a secret plot and stole the Poseidon missile, taking ownership of the deadly weapon and potentially creating an international incident in the process. Kate learns this secret and holds onto the gravity of the tightrope the administration will now face. So, what time can we start watching the fireworks in The Diplomat season 4?

When does The Diplomat season 4 come out on Netflix?

The Diplomat season 4 premieres on Thursday, Oct. 15, 2026 on Netflix. Just like the previous season, the fourth season contains eight total episodes that will be released all at once. While fans might have been hoping for more episodes, the political thriller has always been capped at eight-episode seasons. Thankfully, the episode count hasn't dropped like with season 2's six episodes.

For those who have been counting down the days, hours, and minutes until The Diplomat season 4 drops, the new episodes arrive at 12 a.m. PT / 3 a.m. ET in the United States, which translates to other time zones around the world. Those stateside don't have the most convenient release time to begin watching ASAP, but the show will be available for a weekend binge beginning on Thursday, Oct. 15.

Take a closer look at when The Diplomat season 4 drops on Netflix by time zone:

• Hawaii: 9:00 p.m. HST on Wednesday, October 14
• Alaska: 11:00 p.m. AKDT on Wednesday, October 14
• West Coast of the US: 12:00 a.m. PT on Thursday, October 15
• Mountain Time: 1:00 a.m. MT on Thursday, October 15
• Midwest of the US: 2:00 a.m. CT on Thursday, October 15
• East Coast of the US: 3:00 a.m. ET on Thursday, October 15
• Brazil: 4:00 a.m. BRT on Thursday, October 15
• England: 8:00 a.m. BST on Thursday, October 15
• France: 9:00 a.m. CEST on Thursday, October 15
• Germany: 9:00 a.m. CEST on Thursday, October 15
• Italy: 9:00 a.m. CEST on Thursday, October 15
• Spain: 9:00 a.m. CEST on Thursday, October 15
• South Africa: 9:00 a.m. SAST on Thursday, October 15
• India: 12:30 p.m. IST on Thursday, October 15
• South Korea: 4:00 p.m. KST on Thursday, October 15
• Japan: 4:00 p.m. JST on Thursday, October 15
• Sydney, Australia: 5:00 p.m. AEST on Thursday, October 15

There are other minor changes in store for The Diplomat season 4, but these minor changes are good ones. Allison Janney, Bradley Whitford, and Nana Mensah have each been promoted to series regulars for the first time after appearing in either guest or recurring roles for various amounts of time during the show's run. Being so, the Penns and Billie will have a larger presence.

The Diplomat season 4 will once again delve deeper into the latest political and diplomatic happenings in this fictional world while also exploring the personal lives at stake in the middle of the chaos, also including Eidra (Ali Ahn) and Stuart (Ato Essandoh). The big question will be if Kate and Hal's marriage can continue to survive as the stakes continue to rise and rise.

Check out the official trailer for The Diplomat season 4 before beginning your binge:

Watch The Diplomat only on Netflix.

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