The BEST episodes of The Diplomat
Every episode of The Diplomat ever, ranked from best to worst by thousands of votes from fans of the show. The best episodes of The Diplomat!
Amid an international crisis, a career diplomat juggles her new high-profile job as ambassador to the UK and her turbulent marriage to a political star.
#1 - Last Dance at the Country Club
Season 3 - Episode 2 - Aired 10/16/2025
Kate weighs a compelling offer. Eidra faces scrutiny over fallout from the Roylin debacle. Stuart pitches a proposal that goes far deeper than policy.
#2 - Warships
Season 4 - Episode 8 - Aired 10/15/2026
At a meeting of world leaders, a diplomatic breakdown edges the US closer to an international crisis — and compels Kate to make a seismic decision.
#3 - Phony Negroni
Season 4 - Episode 7 - Aired 10/15/2026
Personal and political lives collide — and damaging secrets surface — when Kate and Hal join Grace and Todd in Italy ahead of the G7 summit.
#4 - The Dead
Season 4 - Episode 6 - Aired 10/15/2026
When a dangerous adversary makes its move, Grace issues a hard-line threat to the prime minister, forcing Kate to reckon with her role as the messenger.
#5 - Special Envoy
Season 4 - Episode 5 - Aired 10/15/2026
Kate contends with her complicity in a stunning political shake-up, while a disenchanted Todd explores his options across the pond.
#7 - The Typo
Season 4 - Episode 3 - Aired 10/15/2026
A budgetary snag threatens to torpedo negotiations, with costly implications for the US. Stuart and Eidra get personal as they weigh their next move.
#8 - Redcoats
Season 4 - Episode 2 - Aired 10/15/2026
A shocking security breach sends the administration into crisis as Hal assumes new duties. Trowbridge launches a manhunt, and Kate looks to the future.
#9 - Windsor
Season 4 - Episode 1 - Aired 10/15/2026
On an unplanned stopover at Windsor Castle, Kate grows wary of Hal and Grace's dynamic as she tries to contain the fallout from their covert actions.
#10 - Schrodinger's Wife
Season 3 - Episode 8 - Aired 10/16/2025
Kate must use all her leverage and political instincts to avert a catastrophe at a high-stakes summit — with the fate of nations hanging in the balance.
#11 - PNG
Season 3 - Episode 7 - Aired 10/16/2025
Sequestered inside Winfield House as embassies go on alert and allies fall silent, Kate and Callum race to contain a potential disaster.
#12 - Amagansett
Season 3 - Episode 6 - Aired 10/16/2025
At an emergency strategy session, Grace weighs unthinkable choices, while Kate rolls the dice on a gamble that could alter the course of history.
#13 - Birdwatchers
Season 3 - Episode 5 - Aired 10/16/2025
Forced to play the perfect couple, Kate and Hal confront a looming problem in international waters and a development that could torpedo U.S. credibility.
#14 - Arden
Season 3 - Episode 4 - Aired 10/16/2025
Kate's unique role grants her access to anyone she wants — except the one person she needs. Dennison puts actionable intelligence to personal use.
#15 - The Riderless Horse
Season 3 - Episode 3 - Aired 10/16/2025
As the nation pauses to mourn, Grace considers the framework of her administration. Private strain threatens Kate and Hal's polished public image.
#16 - The Cinderella Thing
Season 1 - Episode 1 - Aired 4/20/2023
After a hostile attack on a British vessel, seasoned diplomat Kate Wyler assumes a new role in the UK that puts her skills — and marriage — to the test.
#17 - Emperor Dead
Season 3 - Episode 1 - Aired 10/16/2025
Amid a growing constitutional crisis, the staff scrambles to stage an impromptu inauguration, while Hal exploits the chaos behind the scenes.
#18 - Dreadnought
Season 2 - Episode 6 - Aired 10/31/2024
Kate puts her best foot forward after pillow talk with Hal forces her to face hard truths, and Vice President Penn offers a blunt lesson in geopolitics.
#19 - Our Lady of Immaculate Deception
Season 2 - Episode 5 - Aired 10/31/2024
Vice President Grace Penn arrives in London with an agenda — and advice — as fallout from Roylin's bombshell affects Kate's relationship with Trowbridge.
#20 - The Other Army
Season 2 - Episode 4 - Aired 10/31/2024
Kate proposes a unique solution to the Roylin problem. A risky plan unfolds at the prime minister's event in Scotland. Stuart confronts his feelings.
#21 - The Ides of March
Season 2 - Episode 3 - Aired 10/31/2024
A lavish Fourth of July party gives Kate a chance to help Dennison, who sees an opportunity after the prime minister's announcement about Lenkov.
#22 - St. Paul's
Season 2 - Episode 2 - Aired 10/31/2024
Eidra helps sneak an unannounced guest into Grove's funeral, Kate realizes she might have made a bad call before the bombing, and Stuart speaks his mind.
#23 - When a Stranger Calls
Season 2 - Episode 1 - Aired 10/31/2024
After rushing back to London, Kate shares her suspicions about the bombing. The search is on for Lenkov — and Roylin. Eidra delivers devastating news.
#24 - The James Bond Clause
Season 1 - Episode 8 - Aired 4/20/2023
In London, Hal's actions cause friction as Kate heads to Paris with Dennison to get a handle on the Lenkov situation, which soon takes a shocking turn.
#25 - Keep Your Enemies Closer
Season 1 - Episode 7 - Aired 4/20/2023
After a sit-down with a Russian ambassador leads to new intel and mixed messages, Kate takes a trip to the Oval Office and reconnects with an old friend.