Release Date

01 Apr, 2022

Total Episode/Season

24/4

Synopsis

Old sins cast new shadows.

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.

Photos

Season 1

01 Apr, 2022

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

02 Dec, 2022

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

29 Nov, 2023

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

04 Sep, 2024

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

Actors

Crew