Seasons & episodes

S5 · E1Bad Dates 8.8 / 10 · 1 published rating 2025-09-24 · 46 min＋

A mass shooting rocks London, intensifying a testy mayoral race. Shirley believes one of the Slow Horses was the target of an attempted hit.

S5 · E2Incommunicado 8.8 / 10 · 1 published rating 2025-10-01 · 48 min＋

Lamb intercepts an assassin. Taverner receives a key piece of intel about the Abbotsfield shooting.

S5 · E3Tall Tales 8.8 / 10 · 1 published rating 2025-10-08 · 40 min＋

An act of sabotage grinds London to a halt. Taverner interrogates Roddy. Coe is convinced a destabilization strategy is at play.

S5 · E4Missiles 8.6 / 10 · 1 published rating 2025-10-15 · 40 min＋

Flyte sets out to find Roddy's girlfriend. The gang is dispatched to two different campaign events to prevent another attack.

S5 · E5Circus 8.2 / 10 · 1 published rating 2025-10-22 · 45 min＋

Lamb debriefs River and Coe. Roddy is pulled in to help decipher a piece of code as the destabilization strategy nears its final stage.

S5 · E6Scars 8.8 / 10 · 1 published rating 2025-10-29 · 52 min＋

It's up to the Slow Horses to stop Farouk's team from completing its mission in a final act of mass carnage.

S6 · E1Circle of Life 8.3 / 10 · 1 published rating 2026-09-16 · 48 min＋

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

S6 · E2Daddy Issues 8.3 / 10 · 1 published rating 2026-09-23 · 47 min＋

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

S6 · E3Resurrection 8.5 / 10 · 1 published rating 2026-09-30 · 49 min＋

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

S6 · E4Lost & Found 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.

S6 · E5Sayonara 2026-10-14 · 48 min＋

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

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