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Series Intelligence

Slow Horses

Rating 8.1/101,110 votes

Leak Intelligence

WEB leaks detected

3 episodes detected

Latest detection

S06E06Judgement Day

1080p WEB · Episode release date: Oct 21, 2026

First detected Oct 20, 2026, 9:01:02 PM EDT

1 day early

S06E05Sayonara

1080p WEB · Episode release date: Oct 14, 2026

First detected Oct 13, 2026, 9:00:17 PM EDT

1 day early

S06E04Lost & Found

1080p WEB · Episode release date: Oct 7, 2026

First detected Oct 6, 2026, 9:00:19 PM EDT

1 day early

Next scheduled episode

No next air date confirmed

Previous season schedules
Season 1 · 6 episodes
Season 2 · 6 episodes
Season 3 · 6 episodes
Season 4 · 6 episodes
Season 5 · 6 episodes

Episode Intelligence

Season 6 Episode Timeline

6 episodes
S06E01Circle of LifeSep 16, 2026

Runtime: 48m

Rating: 8.2 / 10

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

S06E02Daddy IssuesSep 23, 2026

Runtime: 47m

Rating: 8.5 / 10

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

S06E03ResurrectionSep 30, 2026

Runtime: 49m

Rating: 7.8 / 10

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

S06E04Lost & FoundOct 7, 2026

Runtime: 50m

Rating: 8.2 / 10

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

S06E05SayonaraOct 14, 2026

Runtime: 48m

Rating: 8.4 / 10

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

S06E06Judgement DayOct 21, 2026

Runtime: 1h 2m

Rating: 8.2 / 10

Event: Season Finale

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

Cast & creators

Full series release history

Season history

Season 6Latest

Sep 16, 2026 · 6 episodes

Released

Season 5

Sep 24, 2025 · 6 episodes

Released

Season 4

Sep 4, 2024 · 6 episodes

Released

Season 3

Nov 29, 2023 · 6 episodes

Released

Season 2

Dec 2, 2022 · 6 episodes

Released

Season 1

Apr 1, 2022 · 6 episodes

Released