Overview

• Season 6 filming concluded in mid-June 2025 ahead of the fifth installment’s September 25 premiere on Apple TV+
• Season 7 is officially slated to start production in late September or early October 2025
• The upcoming sixth season will uniquely adapt two Mick Herron novels, Joe Country and Slough House
• Since its April 2022 debut, Slow Horses has produced seven seasons in four years, defying typical streaming timelines
• The series holds a 98% average critic score across four seasons, with Gary Oldman praising it as “the wonderful gift that keeps on giving”