7.5/103,012 votesLoading...#1 - Failure’s Contagious
Season 1 Episode 1 - Aired 4/1/2022
River Cartwright is ousted from MI5 and finds himself in a place worse than purgatory: Slough House, dumping ground for failed spies.
Director: James Hawes
Writer: Will Smith
7.7/102,630 votesLoading...#2 - Work Drinks
Season 1 Episode 2 - Aired 4/1/2022
River and Sid join forces. A misfired gun has dire consequences.
Director: James Hawes
Writer: Will Smith
7.9/101,881 votesLoading...#3 - From Upshott with Love
Season 2 Episode 2 - Aired 12/2/2022
Lamb liaises with a Russian defector who may hold a clue to sleeper agents. River is on the trail of a ruthless assassin.
Director: Jeremy Lovering
Writer: Morwenna Banks
8.0/102,314 votesLoading...#4 - Visiting Hours
Season 1 Episode 4 - Aired 4/15/2022
Taverner sends the Dogs to hunt down Lamb and the Slow Horses. River holds the secret to saving the gang.
Director: James Hawes
Writer: Morwenna Banks
8.0/102,068 votesLoading...#5 - Last Stop
Season 2 Episode 1 - Aired 12/2/2022
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.
Director: Jeremy Lovering
Writer: Will Smith
8.1/102,499 votesLoading...#6 - Bad Tradecraft
Season 1 Episode 3 - Aired 4/8/2022
Slough House is the unlikely venue for a secret romance, but events take a dark turn when a dangerous encounter becomes deadly.
Director: James Hawes
Writer: Will Smith
8.2/102,284 votesLoading...#7 - Fiasco
Season 1 Episode 5 - Aired 4/22/2022
The Slow Horses must disappear to avoid capture by MI5. Lamb and River head to The Park to outwit Taverner.
Director: James Hawes
Writer: Mark Denton, Jonny Stockwood
8.2/102,372 votesLoading...#8 - Follies
Season 1 Episode 6 - Aired 4/29/2022
Taverner and the Slow Horses attempt different approaches to locate the kidnappers and Hassan. Ho makes a shocking discovery about Sid. ref: https://seasondate.org/en/serials/2022-slow-horses
Director: James Hawes
Writer: Will Smith
8.2/101,889 votesLoading...#9 - Drinking Games
Season 2 Episode 3 - Aired 12/9/2022
River gets cozy in the Cotswolds while searching for a sleeper agent. Min discovers Russian drinking games are the most brutal of all.
Director: Jeremy Lovering
Writer: Morwenna Banks
8.2/101,854 votesLoading...#10 - Cicada
Season 2 Episode 4 - Aired 12/16/2022
Louisa makes her move on Pashkin. Catherine makes moves of a different kind when she plays high-stakes chess with a sinister stranger.
Director: Jeremy Lovering
Writer: Mark Denton, Jonny Stockwood
8.2/101,976 votesLoading...#11 - Strange Games
Season 3 Episode 1 - Aired 11/29/2023
A romantic relationship in Istanbul ends badly. Lamb hits the panic button when one of his Slow Horses fails to show up for work.
Director: Saul Metzstein
Writer: Will Smith
8.2/101,274 votesLoading...#12 - A Stranger Comes to Town
Season 4 Episode 2 - Aired 9/11/2024
A naive agent makes a discovery about the Westacres bomber. Lamb suspects that David knows more than he's letting on.
Director: Adam Randall
Writer: Will Smith
8.2/101,227 votesLoading...#13 - Penny for Your Thoughts
Season 4 Episode 3 - Aired 9/18/2024
River is trapped in France. Back at Slough House, the Dogs have come for Lamb.
Director: Adam Randall
Writer: Morwenna Banks
8.2/101,167 votesLoading...#14 - Returns
Season 4 Episode 4 - Aired 9/25/2024
Taverner is desperate to hide dangerous secrets. River seeks answers at his grandfather's house.
Director: Adam Randall
Writer: Mark Denton, Jonny Stockwood
8.3/101,788 votesLoading...#15 - Hard Lessons
Season 3 Episode 2 - Aired 11/29/2023
River has to steal something out of the Park to save a life. Lamb realizes a stranger game is afoot.
Director: Saul Metzstein
Writer: Will Smith
8.3/101,688 votesLoading...#16 - Uninvited Guests
Season 3 Episode 4 - Aired 12/13/2023
Tearney makes a bold move. The Slow Horses assist the Tiger Team, unaware of their hidden agenda. Lamb and Ho take a road trip.
Director: Saul Metzstein
Writer: Mark Denton, Jonny Stockwood
8.5/101,638 votesLoading...#17 - Identity Theft
Season 4 Episode 1 - Aired 9/4/2024
A London bombing puts Taverner under pressure. When River grows concerned for his grandfather, Louisa encourages him to go for a visit.
Director: Adam Randall
Writer: Will Smith
8.6/101,935 votesLoading...#18 - Boardroom Politics
Season 2 Episode 5 - Aired 12/23/2022
Lamb orders his Slow Horses to walk into traps. River believes something alarming is heading toward London.
Director: Jeremy Lovering
Writer: Mark Denton, Jonny Stockwood
8.6/102,068 votesLoading...#19 - Old Scores
Season 2 Episode 6 - Aired 12/30/2022
Lamb and Katinsky go head-to-head. Ho finds himself trapped on a train with a Russian assassin.
Director: Jeremy Lovering
Writer: Will Smith
8.6/102,040 votesLoading...#20 - Footprints
Season 3 Episode 6 - Aired 12/27/2023
The Slow Horses fight for their lives. Lamb shares some devastating truths with Catherine.
Director: Saul Metzstein
Writer: Will Smith
8.6/101,368 votesLoading...#21 - Grave Danger
Season 4 Episode 5 - Aired 10/2/2024
Lamb questions David about France as River comes face to face with the enemy.
Director: Adam Randall
Writer: Will Smith, Mark Denton, Jonny Stockwood
8.7/101,920 votesLoading...#22 - Negotiating with Tigers
Season 3 Episode 3 - Aired 12/6/2023
Marcus and Shirley face Lamb's wrath. River discovers revenge is a dish best served cold.
Director: Saul Metzstein
Writer: Will Smith
8.7/101,850 votesLoading...#23 - Cleaning Up
Season 3 Episode 5 - Aired 12/20/2023
Taverner and Tearney face off for control of MI5. River and Louisa find themselves caught in the crossfire.
Director: Saul Metzstein
Writer: Mark Denton, Jonny Stockwood
8.8/101,585 votesLoading...#24 - Hello Goodbye
Season 4 Episode 6 - Aired 10/9/2024
Impossible decisions are faced and sacrifices are made.
Director: Adam Randall
Writer: Will Smith
The Worst Episodes of Slow Horses
Every episode of Slow Horses ranked from worst to best. Explore the Worst Episodes of Slow Horses!
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...
Genres:CrimeDramaComedy
Network:Apple TV+
Worst Episodes Summary
"Failure’s Contagious" is the worst rated episode of "Slow Horses". It scored 7.5/10 based on 3012 votes. Directed by James Hawes and written by Will Smith, it aired on 4/1/2022. This episode scored 0.2 points lower than the second lowest rated, "Work Drinks".