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4w ago

Slow Horses Season 6 Set for Sept. 16 Premiere as Agents Are Forced Off-Grid

Apple’s weekly six-episode rollout aims to preserve the show’s momentum while presenting a tighter, darker adaptation of two Mick Herron novels.

Sir Gary Oldman in Slow Horses.
Group of ten people posing on a red carpet at a TIFF event, dressed in formal to chic outfits, standing in front of a backdrop covered with TIFF logos.
Image
From left to right: Saskia Reeves, Olivia Cooke, Christopher Chung, Aimee-Ffion Edwards, Gary Oldman and Ruth Bradley attend the premiere of ‘Slow Horses’ during the 2026 Toronto International Film Festival at TIFF Lightbox on Sept. 11 in Toronto.

Overview

  • Slow Horses Season 6, which premieres Wednesday, Sept. 16, 2026, will debut on Apple TV with one new episode released weekly through Oct. 21.
  • The six-episode arc compresses two Mick Herron books, Joe Country and Slough House, into a single, faster-paced storyline that pushes Slough House agents off the books and on the run.
  • Early festival screenings at TIFF and critics’ reviews praise the season’s darker tone, tighter pacing, and continued mix of brutal espionage with the show’s trademark caustic humor.
  • The main ensemble returns, with Gary Oldman and Jack Lowden leading the veteran cast, Olivia Cooke confirmed to reprise her role and new additions including BAFTA winner Lenny Rush and Hugo Weaving rejoining the story.
  • Apple’s choice of a weekly cadence and a compact season signals continued investment in the franchise and could extend awards-season visibility and sustained audience discussion over six weeks.