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12 Reasons Why Slow Horses Returning in September is Literally Everything

Look, stop what you are doing. Put the phone down. Apple TV+ finally dropped the news we’ve been manifesting since that heart-stopping Season 5 finale: the best spy show on television, Slow Horses, is officially back in three months! September can’t come fast enough and honestly, my calendar is already cleared. If you aren’t obsessed with the dysfunctional misfits of Slough House, what are you even doing? Let’s talk about why this is the highlight of 2026.

1. Gary Oldman is the ultimate messy king

Gary Oldman is the ultimate messy king

Can we just talk about Jackson Lamb for a second? He is the most unhinged, unwashed, and brilliant boss in TV history. Watching him eat a greasy kebab while dismantling a high-level conspiracy is the chaotic energy I strive for. He’s mean, he’s rude, and he’s clearly the smartest person in the room. If he doesn’t insult someone within the first five minutes of the premiere, I’m going to be genuinely concerned. Honestly, he’s a total mood.

2. The banter is actually peak comedy

The banter is actually peak comedy

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The dialogue in this show is sharper than a knife. The way the team roasts each other while literally dodging bullets? Iconic. It’s not your typical high-gloss spy thriller where everyone is super cool and polished. These people are broken, tired, and hilarious. The interplay between River Cartwright and the rest of the crew is the glue holding my sanity together. I’m living for the inevitable snarky comeback when they regroup in September.

3. No one is safe, literally no one

No one is safe, literally no one

If you think your favorite character is safe, you clearly haven’t been paying attention. This show has a habit of killing off people we actually like, and I’m still not over it. It keeps the stakes high and makes every single episode a total nail-biter. Every time a character walks into a dark room or opens a suspicious file, I’m holding my breath. It’s stressful, sure, but that’s why we can’t look away.

4. The 98% Rotten Tomatoes score is deserved

The 98% Rotten Tomatoes score is deserved

Critics aren’t wrong for once. This show consistently hits near-perfect ratings on Rotten Tomatoes, and it’s not just hype. It’s the writing, the pacing, and the fact that it doesn’t try to be a Bond movie. It’s gritty, grounded, and feels real. When you see that high score, you know you’re in for a wild ride. It’s honestly refreshing to watch a show that respects its audience’s intelligence instead of just throwing explosions at us.

5. Jack Lowden is doing the heavy lifting

Jack Lowden is doing the heavy lifting

River Cartwright is the punching bag of MI5, and Jack Lowden plays him with such perfect desperation. Watching him try to prove himself while being constantly undermined by the ‘Dogs’ is a classic underdog story I never get tired of. He’s the heart of the show, even when he’s being a total idiot. I need to see him get a win this season. Just one! Is that too much to ask for?

6. The office aesthetic is a total disaster

The office aesthetic is a total disaster

Slough House is the most depressing office space ever, and I’m here for it. The peeling wallpaper, the stacks of paper, the general vibe of ‘we’ve given up on life’—it’s so relatable. It’s the anti-tech billionaire aesthetic. No glass walls, no fancy coffee machines, just misery and secrets. It’s the perfect backdrop for a group of spies who are essentially the rejects of the intelligence community. It’s honestly iconic.

7. Kristin Scott Thomas is terrifying

Kristin Scott Thomas is terrifying

Diana Taverner is the queen of the cold, calculated stare. She’s the only one who can go toe-to-toe with Lamb, and their scenes together are basically high-stakes chess matches. She’s power-hungry, manipulative, and absolutely mesmerizing. You never know if she’s helping the team or throwing them under the bus, and that uncertainty is what makes the show move so fast. I’m lowkey terrified of her, but I also want to be her.

8. It’s not trying to be James Bond

It’s not trying to be James Bond

Thank god for that. No invisible cars, no weird gadgets, just people making bad decisions and trying to clean up the mess. It feels like a real spy thriller, not a superhero movie with a tuxedo. The grounded nature of the missions makes it feel like any of this could actually happen in the real world. It’s the perfect palate cleanser after years of over-the-top action movies that don’t make any sense.

9. The pacing is perfection

The pacing is perfection

Some shows drag for ten episodes, but Slow Horses knows exactly when to drop the hammer. Each season feels like a long, tense movie chopped into parts. By the time you get to the season finale, you’re usually hyperventilating. The way they wrap up the main plot while leaving just enough crumbs for the next season is pure genius. I’m already prepared to binge-watch the entire sixth season in one weekend. No regrets.

10. The soundtrack is a whole vibe

The soundtrack is a whole vibe

Can we talk about that title theme? It sets the tone perfectly—a little bit noir, a little bit jazzy, and a whole lot of cool. The music choices throughout the show really elevate the tension, especially during those quiet moments where someone is about to get caught. It’s the kind of soundtrack that sticks in your head for days. I’ve definitely listened to the theme song on repeat while walking to work, feeling like a secret agent.

11. We need to know what happens to Louisa

We need to know what happens to Louisa

After everything Louisa Guy has been through, she’s become the toughest person on the team. She’s dealt with so much loss and still shows up to work to take down bad guys. She’s the character I’m rooting for the most this season. Seeing her navigate the chaos while keeping her cool is genuinely inspiring. We need more of her leading the charge in Season 6. If she doesn’t get a promotion, I’m starting a riot.

12. It’s the only show that actually matters

It’s the only show that actually matters

Look, there’s a lot of TV out there, but very little of it hits the spot like this. It’s smart, it’s funny, and it doesn’t talk down to us. In a world full of reboots and bland sequels, Slow Horses is a breath of fresh, albeit cynical, air. September 2026 is going to be dominated by this show and honestly, I wouldn’t have it any other way. We are so ready for the return of the losers.

FAQs

Is Slow Horses renewed for Season 6?

Yes, absolutely! Apple TV+ officially confirmed that the show is returning for a sixth season. We are looking at a premiere date set for this coming September 2026, so mark your calendars because the wait is finally almost over.

Where can I watch Slow Horses?

You can catch every single episode of Slow Horses exclusively on Apple TV+. If you haven’t started yet, you have three months to catch up on the first five seasons. Trust me, it is completely worth your time.

Why is Slow Horses so popular?

It’s the perfect mix of dark humor and genuine spy stakes. The characters are deeply flawed but incredibly likable, and Gary Oldman’s performance as Jackson Lamb is arguably one of the best character portrayals on modern television.

September is officially going to be the best month of the year. I don’t make the rules, the Slow Horses do. Are you as hyped as I am for the team to return to Slough House? Let me know your wildest theories for Season 6 in the comments below! Don’t forget to share this with your group chat so you can suffer through the wait together.

What do you think?

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