This quick-witted spy drama follows 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.
1. Failure’s Contagious
Description
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
Description
River and Sid join forces. A misfired gun has dire consequences.
3. Bad Tradecraft
Description
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
Description
Taverner sends the Dogs to hunt down Lamb and the Slow Horses. River holds the secret to saving the gang.
5. Fiasco
Description
The Slow Horses must disappear to avoid capture by MI5. Lamb and River head to The Park to outwit Taverner.
6. Follies
Description
Taverner and the Slow Horses attempt different approaches to locate the kidnappers and Hassan. Ho makes a shocking discovery about Sid.
1. Last Stop
Description
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
Description
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
Description
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
Description
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
Description
Lamb orders his Slow Horses to walk into traps. River believes something alarming is heading toward London.
6. Old Scores
Description
Lamb and Katinsky go head-to-head. Ho finds himself trapped on a train with a Russian assassin. Season finale.
Trailer
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