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Slow Horses Season 6 release date: When the Gary Oldman thriller returns to Apple TV+

The hit series follows the outcasts of the British espionage community.

Guides by Avery Kaplan, Contributing writer

Published on Sat Aug 01 2026

Slow Horses, the hit Apple TV+ series starring Gary Oldman as Jackson Lamb, the notorious curmudgeon who serves as the leader to the misfit spies of Slough House, will soon be returning for Season 6. This upcoming season will adapt the sixth and seventh novels in Mick Herron's Slough House series, Joe Country and Slough House. So, when can you expect the release date for Slow Horses Season 6 on Apple TV+ to arrive?

Slow Horses is a spy thriller series centered on Slough House, which is where the last-chance MI5 agents are sent when they can't be fired outright. The troupe there is led by Jackson Lamb (Oldman), a surly and flatulent exterior hides a man who cares deeply about his team. The series also features Christopher Chung as Roddy Ho, Aimee-Ffion Edwards as Shirley Dander, Rosalind Eleazar as Louisa Guy, Jack Lowden as River Cartwright, Saskia Reeves as Catherine Standish, Kristin Scott Thomas as Diana Taverner and Hugo Weaving as Frank Harkness.

The Slow Horses Season 6 release date is Wednesday, September 16th, 2026 on Apple TV+. The first episode will debut on that date, and the remaining five episodes in the six episode season will be released on a weekly basis thereafter, with the Season 6 finale arriving on October 21st, 2026. It will have been almost exactly a year since the previous season of Slow Horses concluded on October 29th, 2026. Of course, there are a plethora of streaming and TV show release dates for you to keep in mind in the months to come. In the meantime, here's a clip from Slow Horses Season 5 for you to enjoy:

The release date for Slow Horses Season 6 on Apple TV+ is September 16th, 2026.

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Avery Kaplan: Avery lives and writes in Southern California. She is the co-author of Double Challenge: Being LGBTQ and a Minority with her spouse, Rebecca Oliver Kaplan. Avery is Features Editor at Comics Beat, and you can also find her writing on StarTrek.com, The Gutter Review, Geek Girl Authority, and in the margins of the books in her personal library.