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Slow Horses Season 6 Wraps Filming, Premieres Fall 2026

10/29/2025

25 3 Full Breakdown

Summary

Story summary

Filming for Slow Horses Season 6 has finished, Gary Oldman confirmed in late October 2025.
The season will premiere on Apple TV+ in Fall 2026, adapting two Mick Herron (author) novels, Joe Country and Slough House.
The season will consist of six episodes, with Jackson Lamb leading a team of MI5 (the U.K. Security Service) rejects through betrayal.
Season 7 is greenlit, and the series maintains critical acclaim.

History

Historical Context

The 2022 launch of *Slow Horses* on Apple TV+ marked a significant moment in British television, adapting Mick Herron's novels about disgraced MI5 agents. With a budget of $25 million for its first season, the series reflects a resurgence in high-quality espionage dramas, following the success of *Spooks* (2002-2011) and highlighting a robust demand for complex narratives in this genre.

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Story summary

Filming for Slow Horses Season 6 has finished, Gary Oldman confirmed in late October 2025.
The season will premiere on Apple TV+ in Fall 2026, adapting two Mick Herron (author) novels, Joe Country and Slough House.
The season will consist of six episodes, with Jackson Lamb leading a team of MI5 (the U.K. Security Service) rejects through betrayal.
Season 7 is greenlit, and the series maintains critical acclaim.

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