6 Most Shocking Scenes in 'The Diplomat' Season 4, Ranked
Jessica is a young writer from Brisbane, Australia. An avid consumer and lover of all things Film and TV, you will never tear her away from a screen. A tendency rooted from childhood, she once had dreams of becoming a member of the famed kids-band 'Hi-5'. Perhaps that's what pushed her to secure an education with a theater background. But now, as dreams evolved, her passions have turned to admiring performances from afar. Frankly, she's just grateful that she can put her binging skills to good use. Outside of work, Jessica recently completed her undergraduate double degree in Arts/Communications. Other than that, she spends most of her free time with family and friends, probably never forgetting to talk about the new movie or show she watched the day prior.
Sign in to your Collider account
Spoiler Alert: This list contains spoilers for The Diplomat Season 4.Netflix's The Diplomat has easily become one of the greatest dramas of the last few years. But Season 4 has taken the show's high-stakes power game to a completely new level, as Kate Wyler (Keri Russell) finds herself caught between her conscience, her loyalty, and her duty to an administration who's increasingly willing to put everything on the line to protect its secrets. With a deadly attack, a shocking death, and potential warfare threatening to tear apart longstanding alliances, this new season proves that sometimes the most dangerous people in international politics are the ones supposedly trying to keep the peace.
Yes, this could very well be the best season of the entire show, since Season 4 has delivered some of the biggest and most consequential twists yet. So, while we eagerly wait for a much-needed renewal announcement, let's take the time to celebrate the genius of this political thriller. From a shocking assassination attempt to a mass exodus, these are the most jaw-dropping moments of Season 4.
6 Stuart Is Recalled From His Post
Stuart Hayford (Ato Essandoh) has spent years trying to keep the London office functioning while everyone around him makes increasingly questionable decisions. But in Season 4, even his patience has its limits. After learning about President Grace Penn's (Allison Janney) role in the HMS Courageous plot, as well as her further acts of political aggression, Stuart recognizes just how dangerous her administration has become. As such, he filed a formal objection through the State Department's confidential Dissent Channel. The result? Stuart is pulled from his post in London and is ordered to immediately go back to Washington. Sure, he's not formally fired, but the move is clearly designed to bury his career and prove that opposition will not be tolerated—despite the channel being a foundational pillar of American democracy.
It's a particularly infuriating moment because Stuart isn't some reckless political agitator. He's an honorable man who has always passionately believed in the nobility of the democratic process. For Stuart, this isn't some mere job relocation. It's a deeply personal betrayal from a system and service that he has dedicated his life to. Grace's retaliation also hits Kate where it hurts. Stuart is one of the people she trusts most, and watching him being punished for simply speaking the truth pushes her closer to breaking with the administration altogether.
5 Austin Dennison Dies
Just when the fallout from the Poseidon operation becomes impossible to contain, Season 4 delivers another devastating blow: Austin Dennison (David Gyasi), Britain's Foreign Secretary and one of Kate's most important allies, is killed in a helicopter crash while traveling in India. To make matters worse, the news reaches Kate and Hal (Rufus Sewell) during an already tense meeting with Prime Minister Nicol Trowbridge (Rory Kinnear), adding personal tragedy to a situation that's rapidly becoming a geopolitical nightmare.
Of course, Dennison's death is shocking, not only because it's done off-screen, but because it creates a massive political (and personal) vacuum. Dennison was a steady, reliable, and experienced presence in a government that desperately needed one. Without him, Trowbridge loses his only guardrail, just as the U.S. is left without any sort of political safety net. And let's not forget the significance to Kate, as she's also confronted with the sudden loss of an intellectual equal and former romantic interest. It's a blow to her personally, but it also forces Kate to rebuild her political relationships from scratch—a frustrating reality since everything is crumbling around her.
4 Kate Collapses the British Government
After unexpectedly revealing the American's covert stealing of the Russian Poseidon, Kate and Hal face the prospect of Trowbridge publicly exposing the operation and sending the already fragile relationship between the two countries into free-fall. Making matters worse is Trowbridge's grief over Dennison, which only escalates his volatility and erraticism. As such, Kate reaches for an ugly solution, per the suggestion of her husband: She uses the incriminating footage of Trowbridge strangling his former adviser, Margaret Roylin (Celia Imrie), to blackmail him into silence. Shockingly, Trowbridge responds by resigning, leaving Britain with a new leader and Kate having crossed a line she once would've struggled to imagine.
In many ways, the moment is a grim reminder of how far Kate has evolved. For years, she has scrambled to prevent political disasters, while making sure she at least retained her ethics. But now, any means were justified, since the stakes were seemingly high enough. Yes, it could be seen as a political victory, but it mostly felt like a piece of her moral compass breaking off. Of course, it didn't exactly help that Trowbridge, a raging narcissist, turned his resignation into a massive public spectacle that effectively accused the U.S. as a raging bully.
Collider Exclusive · 8 Questions · 2 Minutes Which Netflix Character Would Be Your Best Friend? Dustin · Emily · Wednesday · Gi-hun
Some friends drag you out of the house. Some sit with you on the worst night of your life. Netflix has written both, plus the one who tells you the truth you have been avoiding all week. Answer eight quick questions about how you actually do friendship, and find out which of them was always going to end up in your corner.
🧢Dustin(Stranger Things)
🗼Emily(Emily in Paris)
🕷️Wednesday(Wednesday)
🟢Gi-hun(Squid Game)
01
How do you usually end up making a new friend? The origin story says a lot about the friendship that follows it.
02
What is a perfect Saturday with your best friend? Friendship is mostly built out of very ordinary hours.
03
You call them at two in the morning. What happens? This is the real test of a friendship, and everybody knows it.
04
What do you want from them when you are clearly wrong? The best friendships are the ones that survive being corrected.
05
What do your friends actually value about you? The friend you attract says something about the friend you are.
06
You have a falling out. How does it go? How a friendship repairs itself matters more than how it breaks.
07
What do you actually need a best friend for? Everybody is missing something. The right friend fills that gap.
08
Ten years from now, what keeps the two of you close? Eight questions in, this is the one that decides who you get.
The Group Chat Has Spoken Your Best Friend Is…
Four Netflix characters, four completely different ways of showing up for somebody. This is the one who fits how you actually do friendship, and what having them in your life would be like.
Dustin Henderson
You do not do friendship at half volume, and neither does he. What you want is somebody who says yes to the plan before you have finished describing the plan.
- Dustin is the friend the entire show runs on: loyal past the point of sense, enthusiastic about everything, and incapable of leaving anybody behind.
- You have the same instinct. Your friendships are loud, specific and slightly ridiculous, and they last for decades because of it.
- He is also the one person who would take your strangest interest completely seriously, which is far rarer than it sounds.
- You would have a group chat. It would never once be quiet.
Emily Cooper
You are the friend who makes things happen, and so is she. Together you would be mildly exhausting to everyone around you and completely delighted with yourselves.
- Emily treats an ordinary Tuesday as something that could be turned into an occasion, which is either the best or the worst quality in a friend depending on your energy levels.
- You share her refusal to sit still. Neither of you has ever accepted a night in when something was happening somewhere else.
- She is far more loyal than people give her credit for. She defends her friends loudly, publicly, and occasionally before checking the facts.
- She would post the photo without asking. You would forgive her, because it is a very good photo.
Wednesday Addams
You have no patience for pleasant lies, and she has no ability to tell them. What looks like coldness from the outside is the most reliable friendship on this list.
- Wednesday never says a kind thing she does not mean, which makes the rare ones count for an enormous amount.
- You would rather be told the truth than be made comfortable. She is constitutionally incapable of offering you anything else.
- Underneath all of it she is ferociously protective. She simply refuses to make a performance out of caring.
- Do not expect a birthday message. Do expect her to ruin anyone who wrongs you.
Seong Gi-hun
You look after whoever is having the worst day. So does he. It is the least strategic way to move through the world and the best possible quality in a friend.
- Gi-hun is not the strongest player in Squid Game, or the cleverest. He is the one who keeps choosing to protect somebody else, over and over, at genuine cost to himself.
- You have the same instinct. You notice who is struggling and you stay with them, long after anybody would blame you for leaving.
- He is a flawed friend, and that is part of why it lands. He lets people down, then comes back and tries again, which is more than most manage.
- He would give you his last chance and never once mention that he had done it.
3 Grace Penn Gets Shot
Season 4 wastes absolutely no time raising the stakes. In the season premiere, President Grace Penn is shot outside Windsor Castle during an assassination attempt, turning an already tense diplomatic visit into a scene of utter chaos. Whisked away to receive emergency care, Grace is left temporarily incapacitated and Hal assumes the powers of Presidency, leaving him and Kate to grapple with the realities of their position. Luckily for them (or at least they thought), Grace survives surgery. And while the shooting was a shock in its own right, its real significance becomes clearer as Grace recovers.
Yes, the President has always been capable of making ruthless decisions. However, the attack appeared to trigger a psychological shift that only heightened her paranoia and desire to strong-arm the world. As a result, throughout the season, audiences and administrations witnessed Grace becoming increasingly aggressive—not just with those around her, but in her geopolitical strategies. This makes the opening attack more than just a dramatic cliffhanger. It was a turning point for a leader whose fear of vulnerability made her more dangerous than ever.
2 "Send Warships"
There's no doubt that the Poseidon cover-up has become a ticking time bomb for the Americans. Unfortunately, things only get worse when Britain's new Prime Minister, Bethan Vaughn (Jodie Whittaker), reveals she has permitted the Russians to retrieve their bodies from its sunken submarine. Such an act would only expose the Americans' covert op, and potentially send them into mass conflict. As such, President Grace Penn orders Kate Wyler to deliver a brutal ultimatum: Vaughn must stop the Russians, or the U.S. will send warships to stop them herself.
Naturally, the sheer audacity of the order is what makes it so alarming. Grace isn't simply asking Britain to cooperate. She's making an unprecedented threat that will violate the sovereignty of their closest ally—an act that will likely plunge the world into an international crisis thanks to the terms of NATO. Indeed, in this single moment, Grace transforms from a ruthless "ends-justify-the-means" patriot into a reckless, dictatorial threat to global stability and diplomacy.
1 The Penn Administration Crumbles at the G7
This season's most jaw-dropping moment arrives at the G7 summit in Italy, where President Grace Penn takes the floor and makes the crisis in Britain impossible to contain. Rather than backing away from her threat, Grace confesses to stealing the nuclear weapon, and even declares that the U.S. will fire on any country that interferes with their Russian blockade. In doing so, Kate finally has enough and removes her credentials right in front of the assembled world leaders, publicly resigning as U.S. Ambassador. Chief of Staff Billie Appiah (Nana Mensah) and Secretary of State Miguel Ganon (Miguel Sandoval) follow her lead, with Vice President Hal Wyler also making the choice to abandon the administration, leaving Grace facing an extraordinary public revolt as the group walk to the press line.
What makes the finale so powerful is that the walkout isn't just a dramatic Avengers-like gesture. It's the culmination of a season's worth of compromises finally becoming impossible to justify. Kate has spent much of the story trying to contain Grace's decisions from within, repeatedly convincing herself that she can somehow steer the administration towards something better. But when the President publicly threatens to turn on their country's own allies, staying becomes its own form of complicity. It's hard to deny the wishful parallels to the real world. But we can't help but wonder what this means for the characters' futures as the administration's collapse feels less like a conclusion than the beginning of an even bigger crisis. So please, renew season 5 Netflix. This show cannot end.
The Diplomat
- Release Date
- 2023 - 2023-00-00
- Network
- Netflix
- Showrunner
- Debora Cahn
- Directors
- Alex Graves, Andrew Bernstein, Simon Cellan Jones, Tucker Gates
-
Ambassador Kate Wyler
-
Hal Wyler
- Writers
- Debora Cahn, Anna Hagen, Julianna Meagher, Mia Chung, Peter Noah, Eli Attie
- Main Genre
- Drama
- Seasons
- 4
- Website
- https://www.netflix.com/title/81288983
- Producers
- Daniel Toland, Russ Hammonds, Brad Carpenter, Chris Arruda, Amanda Johnson-Zetterström
- Studio
- Netflix Studios
- Creator(s)
- Debora Cahn
- Streaming Service(s)
- Netflix
- Executive Producer(s)
- Janice Williams, Keri Russell, Debora Cahn, Peter Noah, Alex Graves, Simon Cellan Jones
KioskNews shows a cleaned-up reading view extracted from the publisher’s page — the original always lives on their site, not ours.