Slow Horses Hub
Slough House on Screen and on the Page
Welcome to the Dadnology hub for Slow Horses — Mick Herron's Slough House novels and the Apple TV series that finally did them justice.
The show and the books run in near-perfect lockstep: one novel per season, in publication order, six episodes at a time. That makes this the rare adaptation where reading ahead actually works. What you will find here is the mapping — which book became which season, what each one is about, and where the story goes next once Season 6 burns through two novels at once.
Individual season reviews are listed below. For the argument about why a show full of failures beats every glossy spy series going, plus all five seasons ranked against each other, the links underneath take you there.
🧭Slow Horses: Where to Start
Why Slow Horses Is So Good – Every Season Ranked
The full argument for the failure premise, all five seasons ranked against each other, and everything confirmed about Season 6.
View Series→Start Here – Season 1 Review
The only perfect season, and the only sensible entry point. Six episodes, no filler, and the arrival of Jackson Lamb.
View Series→James Bond – The Glamour Engine
The third way of doing this: neither competence nor failure but style. Five Craig films, the 007 First Light game and the platform guide.
View Series→Andor – The Other Great Bureaucratic Thriller
Different universe, same instinct: grounded, procedural, far more interested in cowardice and logistics than in heroes.
View Series→⚡Every Season and the Novel It Adapts
| Season | Novel | Book No. | Released | Our Rating |
|---|---|---|---|---|
| Season 1 | Slow Horses | Book 1 | Apr 2022 | 5 / 5 |
| Season 2 | Dead Lions | Book 2 | Dec 2022 | 4.5 / 5 |
| Season 3 | Real Tigers | Book 3 | Nov–Dec 2023 | 4.5 / 5 |
| Season 4 | Spook Street | Book 4 | Sep–Oct 2024 | 4.5 / 5 |
| Season 5 | London Rules | Book 5 | Sep–Oct 2025 | 4 / 5 |
| Season 6 | Joe Country + Slough House | Books 6 & 7 | Sep–Oct 2026 | Not yet aired |
| Season 7 | Bad Actors | Book 8 | Confirmed, undated | Not yet aired |
🎛️The Dadnology Slow Horses Standard
One novel, six episodes, no padding, and a story that ends when it is finished. Every season of this show is roughly four and a half hours — about the length of two films — and not one of those hours is filler. That is the bar we now hold every other prestige drama to, and almost none of them clear it.
★ Featured Picks
Slow Horses (Slough House, Book 1) by Mick Herron
Where the whole thing starts, and the novel Season 1 adapts. The right entry point whichever medium you prefer.
Joe Country (Slough House, Book 6) by Mick Herron
One half of what Season 6 adapts, alongside book seven. Read it before 16 September 2026.
Apple TV 4K
The show is an Apple TV exclusive, and a great deal of it is shot in low light. A dedicated box earns its place here.
Chronological Timeline
River Cartwright blows a training exercise and lands in Slough House. A kidnapping livestream forces the failures to be useful. Six episodes, April 2022, directed by James Hawes.
An old Cold War asset dies on a bus outside Oxford with one word on his phone. Sleeper agents, a Russian oligarch, and the first real loss. Six episodes, December 2022.
Catherine Standish is taken, the ransom is a file inside Regent's Park, and Whitehall turns on itself. Ends with an assault on Slough House. Six episodes, November to December 2023.
A bombing in a London shopping centre leads back to River's grandfather, a spymaster whose memory is failing. Hugo Weaving arrives as Frank Harkness. Six episodes, September to October 2024.
A mass shooting, a mayoral race, and a suspiciously attentive girlfriend put Roddy Ho at the centre of a destabilisation campaign. Six episodes, September to October 2025.
The Slow Horses are on the run while Diana Taverner drags them into a game of retaliation and revenge. Adapted by Gaby Chiappe, directed by Adam Randall, with Olivia Cooke returning as Sid Baker. Six episodes from 16 September 2026.
Slow Horses: Every Review
Explore every entry in the franchise.