Slow Horses
“MI5's most unruly spies are back and under attack.”
- 2022 –2026
- Returning series
- TV-MA
★ 8.0 TMDB Rating · 1K votes
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.
● Now airing Season 6: 3 of 6 episodes out Next: episode 4, Oct 7, 2026
- Seasons
- 6
- Episodes
- 36
- First aired
- Apr 1, 2022
- Networks
- Apple TV
- Original language
- English
- Origin
- United Kingdom
Cast of Slow Horses
Gary Oldman
Jackson Lamb
Jack Lowden
River Cartwright
Kristin Scott Thomas
Diana Taverner
Hugo Weaving
Frank Harkness
Saskia Reeves
Catherine Standish
Christopher Chung
Roddy Ho
Aimee-Ffion Edwards
Shirley Dander
Where to Stream Slow Horses by Country
- United States
- Streaming on Apple TV+, Prime Video
- United Kingdom
- Streaming on Apple TV+, Prime Video
- India
- Streaming on Apple TV+
- Canada
- Streaming on Apple TV+
- Australia
- Streaming on Apple TV+
Availability data from JustWatch. Catalogues change often, so check the service before you press play.
Seasons
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Season 1
Apr 1, 2022
6 episodes
When a young man is kidnapped and threatened with beheading, the slow horses find themselves unexpectedly embroiled in a dangerous case that forces them to prove their worth.
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Season 2
Dec 2, 2022
6 episodes
Long-buried Cold War secrets emerge which threaten to bring carnage to the streets of London. When a liaison with Russian villains takes a fatal turn, our hapless heroes must overcome their individual failings and raise their spy game in a race to prevent a catastrophic incident.
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Season 3
Nov 29, 2023
6 episodes
A romantic liaison in Istanbul threatens to expose a buried MI5 secret in London. When Jackson Lamb and his team of misfits are dragged into the fight, they find themselves caught in a conspiracy that threatens the future not just of Slough House but of MI5 itself.
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Season 4
Sep 4, 2024
6 episodes
In season 4, a bombing detonates personal secrets, rocking Slough House's already unstable foundations.
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Season 5
Sep 24, 2025
6 episodes
In season five, everyone is suspicious when resident tech nerd Roddy Ho has a glamorous new girlfriend. When a series of increasingly bizarre events occur across the city, it falls to the Slow Horses to work out how everything is connected. After all, Lamb knows that in the world of espionage, the London Rules — cover your back — always apply.
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Season 6
Sep 16, 2026
6 episodes
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.
