Season 6
20266 episodes
In season six, the Slow Horses are on the run as Diana Taverner embroils them all in a fatally high-stakes game of retaliation and revenge.
In season six, the Slow Horses are on the run as Diana Taverner embroils them all in a fatally high-stakes game of retaliation and revenge.
September 23, 2026
The reemergence of Frank Harkness and a suspicious string of murders put Lamb and team on high alert.
Episode 3
Resurrection
September 30, 2026
Ex–Slow Horses return to the fold as assassins close in. Taverner faces the fallout of her TV interview.
Episode 4
Lost & Found
October 7, 2026
Lamb tries figuring out who Frank is working for. Sid, River, and Coe do everything to evade the hit squad.
Episode 5
Sayonara
October 14, 2026
River goes after Sid. Lamb sets his sights on Cantor. Taverner carries on with a treacherous deal.
Episode 6
Judgement Day
October 21, 2026
Season finale. The safe house becomes unsafe as Lamb and Taverner finally join forces.
