Apple TV announces Slow Horses season 6 premiere on Sept 16

The critically acclaimed espionage drama "Slow Horses" will return for its sixth season on Apple TV on September 16, 2026. The new season will premiere with the first of six episodes, with subsequent installments released weekly on Wednesdays through the finale on October 21.

Season 6 will see the disgraced MI5 agents of Slough House, the agency's dumping ground for failed spies, forced on the run. The official logline states they become embroiled in a fatally high-stakes game of retaliation and revenge orchestrated by MI5's ambitious deputy director, Diana Taverner, played by Kristin Scott Thomas.

In a departure from previous seasons, the sixth installment will adapt two consecutive novels from author Mick Herron's series: "Joe Country" and "Slough House." The series continues to follow the team of misfit agents led by the slovenly but brilliant Jackson Lamb, portrayed by Gary Oldman.

The full main cast is set to return. This includes Jack Lowden as River Cartwright, Saskia Reeves as Catherine Standish, Christopher Chung as Roddy Ho, Rosalind Eleazar as Louisa Guy, Aimee-Ffion Edwards as Shirley Dander, and Tom Brooke as J.K. Coe. Jonathan Pryce and Hugo Weaving also return as...