5 things to know about the next season of Slow Horses

Slow Horses Season 4 has drawn to a close, and with Season 5 already in the can, here’s what you need to know about the further adventures of the MI5 rejects. Slow Horses revolves around a group of spies deemed unworthy of MI5, so they’re packed off to a grotty office called ‘Slough House.’ Hence the nickname.

Run by the disheveled Jackson Lamb (Gary Oldman), the Slow Horses are considered losers and liabilities by their former colleagues. But across four seasons, the teams have successfully snuffed out multiple terrorist threats. And while Season 4 ended in something of an anti-climax , we don’t have long to wait for Season 5, with the show set to return in 2025.

Here’s what we know about what’s coming, so beware of SPOILERS ahead...

Slow Horses Season 5 is based on ‘London Rules’ by Mick Herron Each season of Slow Horses is based on a book by author Mick Herron, and the forthcoming series is no different, being an adaptation of his 2018 novel ‘London Rules.’ There’s plenty more material to turn into television as well, with the literary series spanning a number of books and novellas. Here’s what’s previously been used as well as what’s still out there: Slow Horses (2010) – Season 1 Dead Lions (2013) – Season 2 The List (2015 novella) Real Tigers (2016) – Season 3 Spook Street (2017) – Season 4 London Rules (2018) – Season 5 The Drop (2018 novella) Joe Country (2019) The Catch (2020 novella) The Last Dead Letter (2020 novella) Slough H.