SLOW HORSES – SEASON 5 (2025)

Overview

Slow Horses, Apple TV+’s darkly comedic espionage series starring Gary Oldman, returns for Season 5 on September 24, 2025. This six-episode installment adapts Mick Herron’s 2018 novel London Rules, continuing the saga of MI5’s misfit agents based in Slough House.

Plot Synopsis

• The season centers on increasingly bizarre events across London, beginning when tech expert Roddy Ho (Christopher Chung) brings a glamorous new girlfriend under scrutiny.

• A series of terrorist attacks and political machinations shake the nation—forcing Jackson Lamb’s team into action.

• Internal MI5 power struggles come to the fore, including protecting a controversial MP and addressing post-Brexit fallout—complete with scathing commentary on media and politics.

Cast & Characters

Season 5 brings back the powerhouse ensemble:

• Gary Oldman as Jackson Lamb

• Jack Lowden as River Cartwright

• Kristin Scott Thomas as Diana Taverner

• Rosalind Eleazar as Louisa Guy

• Christopher Chung as Roddy Ho (in a more prominent role—“a lot more of me…and maybe a dance move or two”!)

They’re joined by returning cast members Saskia Reeves, Aimee‑Ffion Edwards, Ruth Bradley, James Callis, Tom Brooke, Jonathan Pryce, and more. Nick Mohammed (Ted Lasso) is confirmed as a special guest star

Release & Format

• Premiere: September 24, 2025 — the first two episodes drop simultaneously, followed by weekly releases until October 22.

• Episodes: 6 in total, maintaining the tight pacing of previous seasons.

Tone & Production Insights

• Season 5 maintains the series’ signature blend of sharp British wit, ambient gloom, and thrilling espionage.

• The writing rooms, guided by showrunner Will Smith, worked closely with Mick Herron to respect London Rules’ tone and character arcs.

What’s Next?

• Season 6 is already greenlit—set to adapt Joe Country and Slough House.

• Season 7 is confirmed to follow Bad Actors, keeping the momentum through at least 2027.

In Summary

Season 5 of Slow Horses promises to be another taut, darkly funny ride—packed with political intrigue, character growth (especially for Roddy Ho), and high-stakes espionage. Releasing late September 2025, it's part of a rapidly expanding adaptation of Herron’s acclaimed novels, with Seasons 6 and 7 confirmed. Apple TV+ subscribers won’t want to miss this expertly crafted return.