S1 E1 Failure's ContagiousApr 1, 2022 · 57 minRiver Cartwright is ousted from MI5 and finds himself in a place worse than purgatory: Slough House, dumping ground for failed spies.Episode details →

S1 E2 Work DrinksApr 1, 2022 · 52 minRiver and Sid join forces. A misfired gun has dire consequences.Episode details →

S1 E3 Bad TradecraftApr 8, 2022 · 42 minSlough House is the unlikely venue for a secret romance, but events take a dark turn when a dangerous encounter becomes deadly.Episode details →

S1 E4 Visiting HoursApr 15, 2022 · 42 minTaverner sends the Dogs to hunt down Lamb and the Slow Horses. River holds the secret to saving the gang.Episode details →

S1 E5 FiascoApr 22, 2022 · 42 minThe Slow Horses must disappear to avoid capture by MI5. Lamb and River head to The Park to outwit Taverner.Episode details →

S1 E6 FolliesApr 29, 2022 · 54 minTaverner and the Slow Horses attempt different approaches to locate the kidnappers and Hassan. Ho makes a shocking discovery about Sid.Episode details →

S2 E1 Last StopDec 2, 2022 · 44 minJackson Lamb is on high alert after a former spy is found dead. Min and Louisa are tempted by an offer from outside Slough…Episode details →

S2 E2 From Upshott with LoveDec 2, 2022 · 49 minLamb liaises with a Russian defector who may hold a clue to sleeper agents. River is on the trail of a ruthless assassin.Episode details →

S2 E3 Drinking GamesDec 9, 2022 · 53 minRiver gets cozy in the Cotswolds while searching for a sleeper agent. Min discovers Russian drinking games are the most brutal of all.Episode details →

S2 E4 CicadaDec 16, 2022 · 46 minLouisa makes her move on Pashkin. Catherine makes moves of a different kind when she plays high-stakes chess with a sinister stranger.Episode details →

S2 E5 Boardroom PoliticsDec 23, 2022 · 42 minLamb orders his Slow Horses to walk into traps. River believes something alarming is heading toward London.Episode details →

S2 E6 Old ScoresDec 30, 2022 · 46 minLamb and Katinsky go head-to-head. Ho finds himself trapped on a train with a Russian assassin.Episode details →

S3 E1 Strange GamesNov 29, 2023 · 44 minA romantic relationship in Istanbul ends badly. Lamb hits the panic button when one of his Slow Horses fails to show up for work.Episode details →

S3 E2 Hard LessonsNov 29, 2023 · 44 minRiver has to steal something out of the Park to save a life. Lamb realizes a stranger game is afoot.Episode details →

S3 E3 Negotiating with TigersDec 6, 2023 · 45 minMarcus and Shirley face Lamb's wrath. River discovers revenge is a dish best served cold.Episode details →

S3 E4 Uninvited GuestsDec 13, 2023 · 47 minTearney makes a bold move. The Slow Horses assist the Tiger Team, unaware of their hidden agenda. Lamb and Ho take a road trip.Episode details →

S3 E5 Cleaning UpDec 20, 2023 · 42 minTaverner and Tearney face off for control of MI5. River and Louisa find themselves caught in the crossfire.Episode details →

S3 E6 FootprintsDec 27, 2023 · 45 minThe Slow Horses fight for their lives. Lamb shares some devastating truths with Catherine.Episode details →

S4 E1 Identity TheftSep 4, 2024 · 44 minA London bombing puts Taverner under pressure. When River grows concerned for his grandfather, Louisa encourages him to go for a visit.Episode details →

S4 E2 A Stranger Comes to TownSep 11, 2024 · 47 minA naive agent makes a discovery about the Westacres bomber. Lamb suspects that David knows more than he's letting on.Episode details →

S4 E3 Penny for Your ThoughtsSep 18, 2024 · 47 minRiver is trapped in France. Back at Slough House, the Dogs have come for Lamb.Episode details →

S4 E4 ReturnsSep 25, 2024 · 43 minTaverner is desperate to hide dangerous secrets. River seeks answers at his grandfather's house.Episode details →

S4 E5 Grave DangerOct 2, 2024 · 41 minLamb questions David about France as River comes face to face with the enemy.Episode details →

S4 E6 Hello GoodbyeOct 9, 2024 · 53 minImpossible decisions are faced and sacrifices are made.Episode details →

S5 E1 Bad DatesSep 24, 2025 · 46 minA mass shooting rocks London, intensifying a testy mayoral race. Shirley believes one of the Slow Horses was the target of an attempted hit.Episode details →

S5 E2 IncommunicadoOct 1, 2025 · 48 minLamb intercepts an assassin. Taverner receives a key piece of intel about the Abbotsfield shooting.Episode details →

S5 E3 Tall TalesOct 8, 2025 · 40 minAn act of sabotage grinds London to a halt. Taverner interrogates Roddy. Coe is convinced a destabilization strategy is at play.Episode details →

S5 E4 MissilesOct 15, 2025 · 40 minFlyte sets out to find Roddy's girlfriend. The gang is dispatched to two different campaign events to prevent another attack.Episode details →

S5 E5 CircusOct 22, 2025 · 45 minLamb debriefs River and Coe. Roddy is pulled in to help decipher a piece of code as the destabilization strategy nears its final stage.Episode details →

S5 E6 ScarsOct 29, 2025 · 52 minIt's up to the Slow Horses to stop Farouk's team from completing its mission in a final act of mass carnage.Episode details →

S6 E1 Circle of LifeSep 16, 2026 · 48 minRiver braces for his grandfather's funeral. Lamb looks into the death of an ex–Slow Horse.Episode details →

S6 E2 Daddy IssuesSep 23, 2026 · 47 minThe reemergence of Frank Harkness and a suspicious string of murders put Lamb and team on high alert.Episode details →

S6 E3 ResurrectionSep 30, 2026 · 49 minEx–Slow Horses return to the fold as assassins close in. Taverner faces the fallout of her TV interview.Episode details →

S6 E4 Lost & FoundOct 7, 2026 · 50 minLamb tries figuring out who Frank is working for. Sid, River, and Coe do everything to evade the hit squad.Episode details →

S6 E5 SayonaraOct 14, 2026 · 48 minRiver goes after Sid. Lamb sets his sights on Cantor. Taverner carries on with a treacherous deal.Episode details →

S6 E6 Judgement DayOct 21, 2026 · 62 minThe safe house becomes unsafe as Lamb and Taverner finally join forces.Episode details →

Slow Horses

Seasons & Episodes

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