Slow Horses

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.

Crime, Drama, Mystery

1Wed, Sep 16, 2026

Circle of Life

River braces for his grandfather’s funeral. Lamb looks into the death of an ex–Slow Horse.

2Wed, Sep 23, 2026

The reemergence of Frank Harkness and a suspicious string of murders put Lamb and team on high alert.

3Wed, Sep 30, 2026

Ex–Slow Horses return to the fold as assassins close in. Taverner faces the fallout of her TV interview.

4Wed, Oct 07, 2026

Lamb tries figuring out who Frank is working for. Sid, River, and Coe do everything to evade the hit squad.

5Wed, Oct 14, 2026

River goes after Sid. Lamb sets his sights on Cantor. Taverner carries on with a treacherous deal.

6Wed, Oct 21, 2026

Season finale. The safe house becomes unsafe as Lamb and Taverner finally join forces.