The worst episodes of Slow Horses
Ranked by viewer rating, lows first. Lit marks on the season rail place this list across the run. Vote on a placement to back it or contest it.
- 01
River Cartwright is ousted from MI5 and finds himself in a place worse than purgatory: Slough House, dumping ground for failed spies.
- 02
River and Sid join forces. A misfired gun has dire consequences.
- 03
Taverner sends the Dogs to hunt down Lamb and the Slow Horses. River holds the secret to saving the gang.
- 04
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.
- 05
Louisa makes her move on Pashkin. Catherine makes moves of a different kind when she plays high-stakes chess with a sinister stranger.
- 06
Slough House is the unlikely venue for a secret romance, but events take a dark turn when a dangerous encounter becomes deadly.
- 07
A mass shooting rocks London, intensifying a testy mayoral race. Shirley believes one of the Slow Horses was the target of an attempted hit.
- 08
Lamb liaises with a Russian defector who may hold a clue to sleeper agents. River is on the trail of a ruthless assassin.
- 09
A romantic relationship in Istanbul ends badly. Lamb hits the panic button when one of his Slow Horses fails to show up for work.
- 10
Lamb intercepts an assassin. Taverner receives a key piece of intel about the Abbotsfield shooting.
- 11
Taverner and the Slow Horses attempt different approaches to locate the kidnappers and Hassan. Ho makes a shocking discovery about Sid.
- 12
River gets cozy in the Cotswolds while searching for a sleeper agent. Min discovers Russian drinking games are the most brutal of all.
- 13
An act of sabotage grinds London to a halt. Taverner interrogates Roddy. Coe is convinced a destabilization strategy is at play.
- 14
The Slow Horses must disappear to avoid capture by MI5. Lamb and River head to The Park to outwit Taverner.
- 15
River has to steal something out of the Park to save a life. Lamb realizes a stranger game is afoot.
- 16
Taverner is desperate to hide dangerous secrets. River seeks answers at his grandfather's house.
- 17
River is trapped in France. Back at Slough House, the Dogs have come for Lamb.
- 18
Tearney makes a bold move. The Slow Horses assist the Tiger Team, unaware of their hidden agenda. Lamb and Ho take a road trip.
- 19
Marcus and Shirley face Lamb's wrath. River discovers revenge is a dish best served cold.
- 20
Lamb and Katinsky go head-to-head. Ho finds himself trapped on a train with a Russian assassin.
- 21
A naive agent makes a discovery about the Westacres bomber. Lamb suspects that David knows more than he's letting on.
- 22
Lamb orders his Slow Horses to walk into traps. River believes something alarming is heading toward London.
- 23
Lamb questions David about France as River comes face to face with the enemy.
- 24
Taverner and Tearney face off for control of MI5. River and Louisa find themselves caught in the crossfire.
- 25
A London bombing puts Taverner under pressure. When River grows concerned for his grandfather, Louisa encourages him to go for a visit.
