Slow Horses

TV SERIES 2022 5 SEASONS

Overview

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.

This production, originally released in 2022, has captivated audiences with its unique storytelling. As a Scripted series, it brings a fresh perspective to the Crime, Drama, Comedy genre, maintaining a strong viewer rating of 8.0 across its 5 seasons.

Storyline Highlights:
• Explores themes within Crime and Drama.
• Produced in United Kingdom, United States of America.
• Original Language: English.

Starring Cast

Gary Oldman

Jackson Lamb

Jack Lowden

River Cartwright

Kristin Scott Thomas

Diana Taverner

Saskia Reeves

Catherine Standish

Christopher Chung

Roddy Ho

Aimee-Ffion Edwards

Shirley Dander

Seasons

Season 1

6 Episodes • Aired 2022-04-01

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.

Season 2

6 Episodes • Aired 2022-12-02

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.

Season 3

6 Episodes • Aired 2023-11-29

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.

Season 4

6 Episodes • Aired 2024-09-04

In season 4, a bombing detonates personal secrets, rocking Slough House's already unstable foundations.

Season 5

6 Episodes • Aired 2025-09-24

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.