Slow Horses84%
Ratings
Combined
83.9
%
7 sources
IMDb
8.3
/10
153,791 votes
Rotten Tomatoes
97
%
211 votes
Metacritic
82
%
89 votes
Trakt
84
%
8,894 votes
TMDB
80
%
942 votes
Metacritic Users
7.7
/10
499 votes
RT Audience
88
%
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.
38
members tracking
4
favorites
1
public collection
Status
Returning Series
Seasons
6
Episodes
36
Network
Country
United Kingdom
Language
English
Awards
Won 1 Primetime Emmy Award
Primetime Emmy Awards 1 won
- 2025 Outstanding Directing for a Drama Series Won Adam Randall
Award data from Wikidata (CC0). Coverage may be incomplete.
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
Season 1
- 1 Failure's Contagious River Cartwright is ousted from MI5 and finds himself in a place worse than purgatory: Slough House, dumping ground for failed spies.
- 2 Work Drinks River and Sid join forces. A misfired gun has dire consequences.
- 3 Bad Tradecraft Slough House is the unlikely venue for a secret romance, but events take a dark turn when a dangerous encounter becomes deadly.
- 4 Visiting Hours Taverner sends the Dogs to hunt down Lamb and the Slow Horses. River holds the secret to saving the gang.
- 5 Fiasco The Slow Horses must disappear to avoid capture by MI5. Lamb and River head to The Park to outwit Taverner.
- 6 Follies Taverner and the Slow Horses attempt different approaches to locate the kidnappers and Hassan. Ho makes a shocking discovery about Sid.
Season 2
- 1 Last Stop Jackson Lamb is on high alert after a former spy is found dead. Min and Louisa are tempted by an offer from outside Slough House.
- 2 From Upshott with Love Lamb liaises with a Russian defector who may hold a clue to sleeper agents. River is on the trail of a ruthless assassin.
- 3 Drinking Games River gets cozy in the Cotswolds while searching for a sleeper agent. Min discovers Russian drinking games are the most brutal of all.
- 4 Cicada Louisa makes her move on Pashkin. Catherine makes moves of a different kind when she plays high-stakes chess with a sinister stranger.
- 5 Boardroom Politics Lamb orders his Slow Horses to walk into traps. River believes something alarming is heading toward London.
- 6 Old Scores Lamb and Katinsky go head-to-head. Ho finds himself trapped on a train with a Russian assassin.
Season 3
- 1 Strange Games A romantic relationship in Istanbul ends badly. Lamb hits the panic button when one of his Slow Horses fails to show up for work.
- 2 Hard Lessons River has to steal something out of the Park to save a life. Lamb realizes a stranger game is afoot.
- 3 Negotiating with Tigers Marcus and Shirley face Lamb's wrath. River discovers revenge is a dish best served cold.
- 4 Uninvited Guests Tearney makes a bold move. The Slow Horses assist the Tiger Team, unaware of their hidden agenda. Lamb and Ho take a road trip.
- 5 Cleaning Up Taverner and Tearney face off for control of MI5. River and Louisa find themselves caught in the crossfire.
- 6 Footprints The Slow Horses fight for their lives. Lamb shares some devastating truths with Catherine.
Season 4
- 1 Identity Theft A London bombing puts Taverner under pressure. When River grows concerned for his grandfather, Louisa encourages him to go for a visit.
- 2 A Stranger Comes to Town A naive agent makes a discovery about the Westacres bomber. Lamb suspects that David knows more than he's letting on.
- 3 Penny for Your Thoughts River is trapped in France. Back at Slough House, the Dogs have come for Lamb.
- 4 Returns Taverner is desperate to hide dangerous secrets. River seeks answers at his grandfather's house.
- 5 Grave Danger Lamb questions David about France as River comes face to face with the enemy.
- 6 Hello Goodbye Impossible decisions are faced and sacrifices are made.
Season 5
- 1 Bad Dates A mass shooting rocks London, intensifying a testy mayoral race. Shirley believes one of the Slow Horses was the target of an attempted hit.
- 2 Incommunicado Lamb intercepts an assassin. Taverner receives a key piece of intel about the Abbotsfield shooting.
- 3 Tall Tales An act of sabotage grinds London to a halt. Taverner interrogates Roddy. Coe is convinced a destabilization strategy is at play.
- 4 Missiles Flyte sets out to find Roddy's girlfriend. The gang is dispatched to two different campaign events to prevent another attack.
- 5 Circus Lamb debriefs River and Coe. Roddy is pulled in to help decipher a piece of code as the destabilization strategy nears its final stage.
- 6 Scars It's up to the Slow Horses to stop Farouk's team from completing its mission in a final act of mass carnage.
Season 6 Airing
- 1 Circle of Life River braces for his grandfather’s funeral. Lamb looks into the death of an ex–Slow Horse.
- 2 Daddy Issues The reemergence of Frank Harkness and a suspicious string of murders put Lamb and team on high alert.
- 3 Resurrection Ex–Slow Horses return to the fold as assassins close in. Taverner faces the fallout of her TV interview.
- 4 Lost & Found Lamb tries figuring out who Frank is working for. Sid, River, and Coe do everything to evade the hit squad.
- 5 Sayonara River goes after Sid. Lamb sets his sights on Cantor. Taverner carries on with a treacherous deal.
- 6 Judgement Day Season finale. The safe house becomes unsafe as Lamb and Taverner finally join forces.
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