Slow Horses

Season 6

2026 · 6 episodes · 5h 4m in all · 8.2/10

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.

Episodes

1. 

   1. Circle of Life

   16 Sept 2026 · 48 min · 8.2/10

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

2. 

   2. Daddy Issues

   23 Sept 2026 · 47 min · 8.5/10

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

3. 

   3. Resurrection

   30 Sept 2026 · 49 min · 7.8/10

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

4. 

   4. Lost & Found

   7 Oct 2026 · 50 min · 8.1/10

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

5. 

   5. Sayonara

   14 Oct 2026 · 48 min · 8.4/10

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

6. 

   6. Judgement Day

   21 Oct 2026 · 62 min · 8.1/10

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