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Apple TV releases trailer for Slow Horses season 6
Apple TV has released the official trailer for the sixth season of its award-winning espionage drama, ‘Slow Horses’. The new season is scheduled to premiere globally on September 16, 2026, with six episodes releasing weekly through October 21, 2026.
Adapted from Mick Herron’s sixth and seventh novels, ‘Joe Country’ and ‘Slough House’, the season follows the dysfunctional MI5 agents of Slough House as they find themselves on the run. The plot involves a high-stakes game of retaliation and revenge orchestrated by Diana Taverner.
A major highlight of the trailer is the surprise return of Olivia Cooke as Sidonie ‘Sid’ Baker, a character previously presumed dead following the events of the first season. The cast also features the return of Hugo Weaving as Frank Harkness, alongside series regulars Gary Oldman, Kristin Scott Thomas, and Jack Lowden. New addition Lenny Rush also joins the ensemble.
Entities
Apple TV · Apple TV+ · Gary Oldman · MI5 · Mick Herron · Olivia Cooke · Slough House
Claims
What the coverage asserts, and how many sources carry each claim.
- [● 4 SOURCES] A seventh season of the series has already been greenlit. www.gamereactor.nl · www.gamereactor.de · www.gamereactor.eu · www.gamereactor.no
- [● 4 SOURCES] Olivia Cooke's character, Sid, will return in the sixth season. www.gamereactor.nl · www.gamereactor.de · www.gamereactor.eu · www.gamereactor.no
- [● 4 SOURCES] The sixth season of Slow Horses is scheduled to premiere on September 16. www.gamereactor.nl · www.gamereactor.de · www.gamereactor.eu · www.gamereactor.no
- [● 4 SOURCES] The series is based on books by author Mick Herron. www.gamereactor.nl · www.gamereactor.de · www.gamereactor.eu · www.gamereactor.no
- [● 4 SOURCES] Slow Horses is considered Apple TV's most successful television series to date. www.gamereactor.nl · www.gamereactor.de · www.gamereactor.eu · www.gamereactor.no