Apple TV+’s spy seriesSlow Horsesis returning for yet another case in season 5, and there are already a ton of exciting updates about the new episodes. Debuting in 2022 and based on Mick Herron’s novels,Slow Horseschronicles the misadventures of MI5’s worst agents as they are relegated to the infamous Slough House. Though expected to push papers and have no real purpose, the determined agents often find themselves in the mix of some of the biggest threats that endanger Great Britain. Anchored by the legendary Gary Oldman,Slow Horsesrevolutionizes the spy thriller by being character-driven.
Thougheach season has been an exciting ride, season 4 kicked off with a literal bang as a terrorist plot puts the lives of Slough House agents in mortal danger. Adapting Herron’s novel,Spook Street, season 4 is a clear escalation of the series, and Apple TV+ has proven to be fully invested in the ongoing narrative. Season 5 has already been renewed, and considering the show’s uncanny ability to stay on schedule, will arrive sooner rather than later. On top of that, Apple has also confirmed that the next outing will be based on Mick Herron’sLondon Rules.

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Gary Oldman’s Slow Horses Wish Is Great For The Show’s Future After Season 5
Gary Oldman has appeared in three seasons of Slow Horses so far, and if the legendary actor gets his way, he’ll be starring in many more.
Slow Horses Season 5 Latest News
The Season 5 Release Window Has Been Revealed
With the series keeping a lightning-quick production pace when compared to other streaming shows, the latest news confirmsthe release window forSlow Horsesseason 5. The update came straight fromApple TV+, who shared a brief teaser on X (formerly Twitter) that advertises their upcoming shows. The clip reveals thatSlow Horsesseason 5 is due to arrive in summer 2025, though a more specific date remains elusive. Regardless of when season 5 does arrive, it will come less than a year after the premiere of season 4.
Slow Horses Season 5 Is Confirmed
Apple TV+ Renewed Season 5 Before Season 4 Debuted
This extreme vote of confidence proves the ongoing popularity of the spy thriller series, but also signals Apple’s commitment to keeping the show on a tight schedule.
Despite the fact thatSlow Horsesseason 4’s debut is still recent, the fate of the next season has long since been decided.The news broke in January 2024 that Apple TV+ had renewedSlow Horsesseason 5, a full nine months before the eventual debut of season 4. This extreme vote of confidence proves the ongoing popularity of the spy thriller series, but also signals Apple’s commitment to keeping the show on a tight schedule.

ThoughSlow Horsesseason 5 hasn’t set a release date yet, it’s been confirmed to return at some point in summer 2025. This is less than year after the debut of season 4 in September 2024. Unlike other streaming-exclusive shows which languished in production hell for years between seasons (Stranger Things,House of the Dragon),Slow Horseshas arrived at a yearly clip, and sometimes sooner. In August 2024, Gary Oldman revealed that the fifth season ofSlow Horseshas already wrapped filming.
Slow Horses Season 5 Cast Details
Who Returns To Slough House?
It’s impossible to know exactly who will be inthe cast ofSlow Horsesseason 5 for now, but there are a few candidates who are a shoo-in. Practically confirmed to be leading season 5 isseries stalwart Gary Oldman as the crotchety Slough House leader, Jackson Lamb. Jack Lowden will also likely be back as young agent River Cartwright, alongside other Slough House regulars like Christopher Chung’s Roddy Ho. The series has also employed a host of amazing guest stars (like season 4’s Hugo Weaving), but it’s unclear who will be filling the new roles in season 5’s story.
Slow Horses Season 5 Story Details
Season 5 Will Adapt “London Rules”
In keeping with the show’s book-per-season approach,season 5 is set to tackle Herron’s fifth novel,London Rules. In the book, an upstart MP is going on a political rampage as he, and his tabloid journalist wife, set their sights on MI5 and their many foibles. Meanwhile,a series of seemingly random terrorist attacks point back to the aspiring mayor of the West Midlands. Back at Slough House, the team is dealing with their usual personal problems, but are also trying to decipher if their newest member is a legitimate psychopath.
There are nine total books in theSlow Horsesseries.
On top of all that,someone is trying to kill Roddy Ho, and it is up to the team to band together (as best they can) and get to the bottom of the would-be assassin. Though it’s unclear how closely the season will follow the book,London Rulesis decidedly more political and involves issues like Brexit and immigration.Slow Horsesseason 5 seems like a big step-up for the popular spy series, and each new detail makes it sound more and more exciting.
Slow Horses
Cast
Slow Horses follows a dysfunctional team of MI5 agents led by the notorious Jackson Lamb. Set against the backdrop of the espionage world, the agents must navigate complex operations and defend England from sinister forces, all while dealing with internal struggles and their abrasive boss.







