Episode 1
Circle of Life
2026-09-16 • 48 min
River braces for his grandfather's funeral. Lamb looks into the death of an ex–Slow Horse.
TV season
2026-09-16
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.
Episode 1
2026-09-16 • 48 min
River braces for his grandfather's funeral. Lamb looks into the death of an ex–Slow Horse.
Episode 2
2026-09-23 • 47 min
The reemergence of Frank Harkness and a suspicious string of murders put Lamb and team on high alert.
Episode 3
2026-09-30 • 49 min
Ex–Slow Horses return to the fold as assassins close in. Taverner faces the fallout of her TV interview.
Episode 4
2026-10-07 • 50 min
Lamb tries figuring out who Frank is working for. Sid, River, and Coe do everything to evade the hit squad.
Episode 5
2026-10-14 • 48 min
River goes after Sid. Lamb sets his sights on Cantor. Taverner carries on with a treacherous deal.
Episode 6
2026-10-21 • 62 min
The safe house becomes unsafe as Lamb and Taverner finally join forces.