Season 6 Plot
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.
Slow Horses Season 6 aired on September 16th, 2026.
'Slow Horses' Season 6 Videos
Season 6 Episodes
1. Circle of Life
River braces for his grandfather’s funeral. Lamb looks into the death of an ex–Slow Horse.
2. Daddy Issues
The reemergence of Frank Harkness and a suspicious string of murders put Lamb and team on high alert.
3. Resurrection
Ex–Slow Horses return to the fold as assassins close in. Taverner faces the fallout of her TV interview.
4. Lost & Found
Lamb tries figuring out who Frank is working for. Sid, River, and Coe do everything to evade the hit squad.
5. Sayonara
River goes after Sid. Lamb sets his sights on Cantor. Taverner carries on with a treacherous deal.
6. Judgement Day
Season finale. The safe house becomes unsafe as Lamb and Taverner finally join forces.
