Overview

• Season 6 has finished filming and will adapt Mick Herron’s sixth and seventh novels, Joe Country and Slough House.
• Lenny Rush joins Gary Oldman’s Jackson Lamb in the Slough House unit for season 6 on Apple TV+.
• Season 5 remains scheduled to premiere on September 25, 2025, continuing the show’s annual rollout since its 2022 debut.
• With seven seasons produced in four years, Slow Horses has established an unusually fast production rhythm for a high-profile spy drama.
• Season 7 is slated to begin shooting in late September 2025 and is expected to draw on the novel Bad Actors, though details remain unconfirmed.