Slow Horses
2022
📺 5 Seasons
🎬 30 Episodes
📅 Returning Series
🌐 EN
CrimeDramaComedy
Follow a dysfunctional team of MI5 agents—and their obnoxious boss, the notorious Jackson Lamb—as they navigate the espionage world's smoke and mirrors to defend England from sinister forces.
Where to Watch (US)
Stream
Apple TV
Apple TV Amazon Channel
Seasons
Season 1
When a young man is kidnapped and threatened with beheading, the slow horses find themselves unexpectedly embroiled in a dangerous case that forces them to prove their worth.
Season 2
Long-buried Cold War secrets emerge which threaten to bring carnage to the streets of London. When a liaison with Russian villains takes a fatal turn, our hapless heroes must overcome their individual failings and raise their spy game in a race to prevent a catastrophic incident.
Season 3
A romantic liaison in Istanbul threatens to expose a buried MI5 secret in London. When Jackson Lamb and his team of misfits are dragged into the fight, they find themselves caught in a conspiracy that threatens the future not just of Slough House but of MI5 itself.
Season 4
In season 4, a bombing detonates personal secrets, rocking Slough House's already unstable foundations.
Season 5
In season five, everyone is suspicious when resident tech nerd Roddy Ho has a glamorous new girlfriend. When a series of increasingly bizarre events occur across the city, it falls to the Slow Horses to work out how everything is connected. After all, Lamb knows that in the world of espionage, the London Rules — cover your back — always apply.
Cast
User Reviews
## **Slow Horses: A Gloriously Grubby Masterclass in Spycraft**
Forget the slick, high-tech world of James Bond. In the shadowy corners of London, there’s a crumbling, foul-smelling building on Slough House where failed MI5 agents are sent to rot. They are the "Slow Horses," and their story is the best spy thriller on television. A potent cocktail of whip-smart writing, flawless performances, and unapologetic grit, *Slow Horses* is a near-perfect series that consistently exceeds expectations.
### The Misfits and the Misanthrop
The show’s engine, and its greatest triumph, is the dynamic between the disgraced agents and their gloriously offensive boss, Jackson Lamb. Played with sublime, slovenly brilliance by Gary Oldman, Lamb is a masterpiece of character creation. He’s a tactical genius hiding behind a facade of laziness, flatulence, and relentless verbal abuse. Oldman chews the scenery, delivering insults with the precision of a sniper, yet somehow, through the cynicism, you never doubt his razor-sharp intellect or his deeply buried, almost accidental, sense of duty.
Opposite him is River Cartwright, the promising agent whose one big mistake landed him in purgatory. Jack Lowden is the show's emotional anchor, perfectly capturing the frantic energy of a racehorse trapped in a stable, all simmering frustration and desperate ambition to prove himself. The surrounding ensemble—from the brilliant but troubled Sidonie (Olivia Cooke) to the shambolic tech wiz Roddy (Christopher Chung)—is equally superb. Each Slow Horse is given room to breathe and develop, making you deeply invested in this band of losers.
### A Relentless, Twisting Plot
Where many thrillers stretch a thin premise over a season, *Slow Horses* operates with the pace and density of a great novel (because it is based on Mick Herron's superb book series). The plots are fiendishly clever, layering espionage, political conspiracy, and dry British humour into a relentlessly engaging narrative. The stakes feel real and immediate, often involving threats that are terrifyingly plausible. The show isn’t afraid to get its hands dirty, and no character, no matter how beloved, is ever truly safe. This genuine sense of peril elevates every car chase, every quiet surveillance scene, and every tense confrontation.
### Tone: The Secret Weapon
The show’s masterstroke is its tone. It seamlessly blends the grimy realism of a John le Carré novel with the punchy, accessible energy of a modern political thriller. The dialogue crackles with wit, and the humour, often pitch-black and deriving from the sheer absurdity of their situation, provides a brilliant counterbalance to the life-and-death stakes. It’s a show that can have you laughing at Lamb’s latest vulgarity one moment and on the edge of your seat the next.
### The Verdict: 9/10 - Essential Viewing
*Slow Horses* is a triumph. It’s intelligently written, superbly acted, and utterly compelling from start to finish. Gary Oldman gives one of the most captivating performances of his career, and the series around him is every bit his equal. It’s a refreshing, cynical, and deeply human take on the spy genre that respects its audience's intelligence while delivering top-tier entertainment.
**Watch it if:** You love smart, character-driven thrillers; appreciate brilliant dialogue and performances; and are tired of glamorized spy fiction.
**Skip it if:** You require a pristine, high-gloss aesthetic or are easily offended by crude humor and language.
In a crowded television landscape, *Slow Horses* isn't just a standout; it's a champion. Now, if you'll excuse me, I need to go watch it all again.
October 30, 2025
Source material seems great. Oldman is a wonderful piece of work. Twisty spy craft with good humour. Bureaucratic nonsense and secret dealings.
December 27, 2023
Crew
Producer
Anna O'Malley, Julian Stevens, Will Smith
Network
Apple TV
Production
See-Saw Films, Flying Studio Pictures, Sony Pictures Television
Keywords
london, englandspybased on novel or booksecret agentterrorismbritish spymi5british intelligenceabsurdeuphoric