Air date: 2022-04-01

Runtime: 54 min

River Cartwright is ousted from MI5 and finds himself in a place worse than purgatory: Slough House, dumping ground for failed spies.

Air date: 2022-04-01

Runtime: 49 min

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

Air date: 2022-04-08

Runtime: 42 min

Slough House is the unlikely venue for a secret romance, but events take a dark turn when a dangerous encounter becomes deadly.

Air date: 2022-04-15

Runtime: 44 min

Taverner sends the Dogs to hunt down Lamb and the Slow Horses. River holds the secret to saving the gang.

Air date: 2022-04-22

Runtime: 43 min

The Slow Horses must disappear to avoid capture by MI5. Lamb and River head to The Park to outwit Taverner.

Air date: 2022-04-29

Runtime: 54 min

Taverner and the Slow Horses attempt different approaches to locate the kidnappers and Hassan. Ho makes a shocking discovery about Sid.