The WORST episodes of Slow Horses

Every episode of Slow Horses ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of Slow Horses!

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.

Last Updated: 12/15/2024Network: Apple TV+Status: Continuing
Failure's Contagious
star
7.32
2381 votes

#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.

Directors: James Hawes
Writer: Will Smith
Watch Now:Amazon
Work Drinks
star
7.46
2056 votes

#2 - Work Drinks

Season 1 - Episode 2 - Aired 4/1/2022

River and Sid join forces. A misfired gun has dire consequences.

Directors: James Hawes
Writer: Will Smith
Watch Now:Amazon
From Upshott With Love
star
7.60
1443 votes

#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.

Directors: Jeremy Lovering
Watch Now:Amazon
Last Stop
star
7.62
1588 votes

#4 - 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.

Directors: Jeremy Lovering
Writer: Will Smith
Watch Now:Amazon
Visiting Hours
star
7.66
1838 votes

#5 - 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.

Directors: James Hawes
Watch Now:Amazon
Bad Tradecraft
star
7.70
1937 votes

#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.

Directors: James Hawes
Writer: Will Smith
Watch Now:Amazon
Drinking Games
star
7.71
1417 votes

#7 - 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.

Directors: Jeremy Lovering
Watch Now:Amazon
Fiasco
star
7.76
1833 votes

#8 - 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.

Directors: James Hawes
Watch Now:Amazon
Cicada
star
7.78
1327 votes

#9 - 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.

Directors: Jeremy Lovering
Watch Now:Amazon
A Stranger Comes to Town
star
7.80
1140 votes

#10 - A Stranger Comes to Town

Season 4 - Episode 2 - Aired 9/11/2024

A naïve agent makes a discovery about the Westacres bomber. Lamb suspects that David knows more than he’s letting on.

Directors: Adam Randall
Writer: Will Smith
Watch Now:Amazon
Strange Games
star
7.82
1378 votes

#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.

Directors: Saul Metzstein
Writer: Will Smith
Watch Now:Amazon
Hard Lessons
star
7.86
1355 votes

#12 - 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.

Directors: Saul Metzstein
Writer: Will Smith
Watch Now:Amazon
Returns
star
7.86
1083 votes

#13 - Returns

Season 4 - Episode 4 - Aired 9/25/2024

Taverner is desperate to hide dangerous secrets. River seeks answers at his grandfather’s house.

Directors: Adam Randall
Watch Now:Amazon
Identity Theft
star
7.87
1216 votes

#14 - 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.

Directors: Adam Randall
Writer: Will Smith
Watch Now:Amazon
Penny for Your Thoughts
star
7.88
1113 votes

#15 - 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.

Directors: Adam Randall
Watch Now:Amazon
Boardroom Politics
star
7.90
1403 votes

#16 - 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.

Directors: Jeremy Lovering
Watch Now:Amazon
Follies
star
7.92
1804 votes

#17 - 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.

Directors: James Hawes
Writer: Will Smith
Watch Now:Amazon
Uninvited Guests
star
7.96
1345 votes

#18 - 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.

Directors: Saul Metzstein
Watch Now:Amazon
Grave Danger
star
8.01
1134 votes

#19 - Grave Danger

Season 4 - Episode 5 - Aired 10/2/2024

Lamb questions David about France as River comes face to face with the enemy.

Directors: Adam Randall
Watch Now:Amazon
Negotiating With Tigers
star
8.03
1353 votes

#20 - 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.

Directors: Saul Metzstein
Writer: Will Smith
Watch Now:Amazon
Cleaning Up
star
8.03
1350 votes

#21 - 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.

Directors: Saul Metzstein
Writer: Will Smith
Watch Now:Amazon
Old Scores
star
8.09
1423 votes

#22 - 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.

Directors: Jeremy Lovering
Writer: Will Smith
Watch Now:Amazon
Hello Goodbye
star
8.19
1123 votes

#23 - Hello Goodbye

Season 4 - Episode 6 - Aired 10/9/2024

Impossible decisions are faced and sacrifices are made.

Directors: Adam Randall
Writer: Will Smith
Watch Now:Amazon
Footprints
star
8.23
1408 votes

#24 - Footprints

Season 3 - Episode 6 - Aired 12/27/2023

The Slow Horses fight for their lives. Lamb shares some devastating truths with Catherine.

Directors: Saul Metzstein
Writer: Will Smith
Watch Now:Amazon