Slow Horses' Season 6 Premiere Date Announced With Lenny Rush Sneak Peek

WHO:

Deadline - The series features BAFTA-winner Lenny Rush and stars Kristin Scott Thomas as Diana Taverner.

Variety - The series follows a group of misfit MI5 agents, including Gary Oldman as the character governing Slough House.

WHAT:

Collider - The sixth season of "Slow Horses" is based on Mick Herron's novels.

Deadline - The sixth season of "Slow Horses" is set to premiere.

Variety - The sixth season will consist of six episodes, released weekly.

WHERE:

Deadline - The series is available on Apple TV.

Variety - The setting involves Slough House, where the MI5 agents are demoted.

WHEN:

Deadline - The premiere date for Season 6 is September 16.

Variety - New episodes will be released weekly on Wednesdays through October 21.

HOW:

Variety - The episodes will be released once-weekly on the streaming platform.

(UPDATED June 11, 2026 18:03 UTC)

The sixth season of "Slow Horses" is set to premiere, continuing its adaptation of Mick Herron's novels. Fans of the series can look forward to more thrilling espionage and complex characters. The show has garnered a dedicated following, and this new season promises to deliver even more excitement.

--

(UPDATED June 11, 2026 16:26 UTC)

The sixth season of "Slow Horses," featuring BAFTA-winner Lenny Rush and starring Kristin Scott Thomas as Diana Taverner, is set to premiere on September 16. This season will consist of six episodes, with new installments released weekly on Wednesdays through October 21, and it follows a group of misfit MI5 agents, including Gary Oldman as the character governing Slough House. Fans can catch all the action on Apple TV, where the series showcases the challenges faced by these demoted agents.