Season 4 Plot
In season 4, a bombing detonates personal secrets, rocking Slough House's already unstable foundations.
Slow Horses Season 4 aired on September 4th, 2024.
Season 4 Episodes
1. Identity Theft
September 4th, 202447 min
A London bombing puts Taverner under pressure. When River grows concerned for his grandfather, Louisa encourages him to go for a visit.
2. A Stranger Comes to Town
September 11th, 202449 min
A naive agent makes a discovery about the Westacres bomber. Lamb suspects that David knows more than he's letting on.
3. Penny for Your Thoughts
September 18th, 202449 min
River is trapped in France. Back at Slough House, the Dogs have come for Lamb.
4. Returns
September 25th, 202446 min
Taverner is desperate to hide dangerous secrets. River seeks answers at his grandfather's house.
5. Grave Danger
October 2nd, 202443 min
Lamb questions David about France as River comes face to face with the enemy.
6. Hello Goodbye
October 9th, 202456 min
Impossible decisions are faced and sacrifices are made.
