Slow Horses
20226 seasons · 36 epReturning SeriesTV-MA
CrimeDramaMystery
Follow a dysfunctional team of MI5 agents—and their obnoxious boss, the notorious Jackson Lamb—as they navigate the espionage world's smoke and mirrors to defend England from sinister forces.
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Where to watch
Availability shown for United States.
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Official Trailer
Trailer
Cast
Gary Oldman
Jackson Lamb
Jack Lowden
River Cartwright
Kristin Scott Thomas
Diana Taverner
Saskia Reeves
Catherine Standish
Christopher Chung
Roddy Ho
Rosalind Eleazar
Louisa Guy
Aimee-Ffion Edwards
Shirley Dander
Kadiff Kirwan
Marcus Longridge
Jonathan Pryce
David Cartwright
Chris Reilly
Nick Duffy
Hugo Weaving
Frank Harkness
Bally Gill
Agent Singh
James Callis
Claude Whelan
Ruth Bradley
Emma Flyte
Tom Brooke
JK Coe
Freddie Fox
Spider Webb
Samuel West
Peter Judd
Dustin Demri-Burns
Min Harper
Naomi Wirthner
Molly Doran
Chris Coghill
Hobbs
Episodes· Season 6
Returning SeriesNext episode
S6·E1 — Circle of Life
Airs Sep 16, 2026
1
1. Circle of Life
Sep 16, 2026Upcoming
2
2. Daddy Issues
Sep 23, 2026Upcoming
3
3. Resurrection
Sep 30, 2026Upcoming
4
4. Lost & Found
Oct 7, 2026Upcoming
5
5. Sayonara
Oct 14, 2026Upcoming
6
6. Judgement Day
Oct 21, 2026Upcoming
Watch order
6 seasons — watch them in this order for the full story.
1Season 1
2022 · 6 ep · ★ 7.7
2Season 2
2022 · 6 ep · ★ 8.0
3Season 3
2023 · 6 ep · ★ 8.2
4Season 4
2024 · 6 ep · ★ 8.3
5Season 5
2025 · 6 ep · ★ 8.2
6Season 6
2026 · 6 ep
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