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S6 E6 · Judgement Day
Slow Horses is a mystery and drama TV series that premiered on Apple TV on April 1, 2022. It has 6 seasons and 36 episodes so far and is still airing new episodes. The latest episode, Season 6 Episode 6 "Judgement Day", aired on October 21, 2026.
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.
Last updated
36 episodes · 6 seasons
2022 · 6 episodes · Last episode: 4 years ago
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.
Slow Horses Season 1 release dates →
E6
Taverner and the Slow Horses attempt different approaches to locate the kidnappers and Hassan. Ho makes a shocking discovery about Sid.
E5
The Slow Horses must disappear to avoid capture by MI5. Lamb and River head to The Park to outwit Taverner.
E4
Taverner sends the Dogs to hunt down Lamb and the Slow Horses. River holds the secret to saving the gang.
E3
Slough House is the unlikely venue for a secret romance, but events take a dark turn when a dangerous encounter becomes deadly.
E2
River and Sid join forces. A misfired gun has dire consequences.
E1
River Cartwright is ousted from MI5 and finds himself in a place worse than purgatory: Slough House, dumping ground for failed spies.
2022 · 6 episodes · Last episode: 3 years ago
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.
Slow Horses Season 2 release dates →
E6
Lamb and Katinsky go head-to-head. Ho finds himself trapped on a train with a Russian assassin.
E5
Lamb orders his Slow Horses to walk into traps. River believes something alarming is heading toward London.
E4
Louisa makes her move on Pashkin. Catherine makes moves of a different kind when she plays high-stakes chess with a sinister stranger.
E3
River gets cozy in the Cotswolds while searching for a sleeper agent. Min discovers Russian drinking games are the most brutal of all.
E2
Lamb liaises with a Russian defector who may hold a clue to sleeper agents. River is on the trail of a ruthless assassin.
E1
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.
2023 · 6 episodes · Last episode: 2 years ago
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.
Slow Horses Season 3 release dates →
E6
The Slow Horses fight for their lives. Lamb shares some devastating truths with Catherine.
E5
Taverner and Tearney face off for control of MI5. River and Louisa find themselves caught in the crossfire.
E4
Tearney makes a bold move. The Slow Horses assist the Tiger Team, unaware of their hidden agenda. Lamb and Ho take a road trip.
E3
Marcus and Shirley face Lamb's wrath. River discovers revenge is a dish best served cold.
E2
River has to steal something out of the Park to save a life. Lamb realizes a stranger game is afoot.
E1
A romantic relationship in Istanbul ends badly. Lamb hits the panic button when one of his Slow Horses fails to show up for work.
2024 · 6 episodes · Last episode: 2 years ago
In season 4, a bombing detonates personal secrets, rocking Slough House's already unstable foundations.
Slow Horses Season 4 release dates →
E6
Impossible decisions are faced and sacrifices are made.
E5
Lamb questions David about France as River comes face to face with the enemy.
E4
Taverner is desperate to hide dangerous secrets. River seeks answers at his grandfather's house.
E3
River is trapped in France. Back at Slough House, the Dogs have come for Lamb.
E2
A naive agent makes a discovery about the Westacres bomber. Lamb suspects that David knows more than he's letting on.
E1
A London bombing puts Taverner under pressure. When River grows concerned for his grandfather, Louisa encourages him to go for a visit.
2025 · 6 episodes · Last episode: 1 year ago
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.
Slow Horses Season 5 release dates →
E6
It's up to the Slow Horses to stop Farouk's team from completing its mission in a final act of mass carnage.
E5
Lamb debriefs River and Coe. Roddy is pulled in to help decipher a piece of code as the destabilization strategy nears its final stage.
E4
Flyte sets out to find Roddy's girlfriend. The gang is dispatched to two different campaign events to prevent another attack.
E3
An act of sabotage grinds London to a halt. Taverner interrogates Roddy. Coe is convinced a destabilization strategy is at play.
E2
Lamb intercepts an assassin. Taverner receives a key piece of intel about the Abbotsfield shooting.
E1
A mass shooting rocks London, intensifying a testy mayoral race. Shirley believes one of the Slow Horses was the target of an attempted hit.
2026 · 6 episodes · Last episode: 2 weeks ago
In season six, the Slow Horses are on the run as Diana Taverner embroils them all in a fatally high-stakes game of retaliation and revenge.
Slow Horses Season 6 release dates →The safe house becomes unsafe as Lamb and Taverner finally join forces.
E5
River goes after Sid. Lamb sets his sights on Cantor. Taverner carries on with a treacherous deal.
E4
Lamb tries figuring out who Frank is working for. Sid, River, and Coe do everything to evade the hit squad.
E3
Ex–Slow Horses return to the fold as assassins close in. Taverner faces the fallout of her TV interview.
E2
The reemergence of Frank Harkness and a suspicious string of murders put Lamb and team on high alert.
E1
River braces for his grandfather's funeral. Lamb looks into the death of an ex–Slow Horse.
Jonathan Pryce
David Cartwright
Saskia Reeves
Catherine Standish
Christopher Chung
Roddy Ho
Rosalind Eleazar
Louisa Guy
Aimee-Ffion Edwards
Shirley Dander
Sam Hazeldine
Moe
Miltos Yerolemou
Theo Makris
Kurt Egyiawan
Roger Barrowby
Paul Higgins
Struan Loy
Joey Ansah
Agent Pierce
Julie Atherton
Melanie
Steven Waddington
Jed Moody
Freddie Fox
Spider Webb
Olivia Cooke
Sidonie 'Sid' Baker
Lucy Ford
Liz Montague
Miles Yekinni
Lead Dog
A date for the next episode of Slow Horses hasn't been announced yet. Follow Slow Horses in the Streambay app and you'll be notified as soon as a new episode airs.
The most recent episode of Slow Horses, Season 6 Episode 6 "Judgement Day", aired on October 21, 2026.
Slow Horses has 6 seasons with 36 episodes in total.
Slow Horses first aired on Apple TV on April 1, 2022.
Download the Streambay app, follow Slow Horses, and you'll get a push notification the moment each new episode is released.
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