Seasons & episodes

S4 · E1Identity Theft 8.3 / 10 · 1 published rating 2024-09-04 · 44 min＋

A London bombing puts Taverner under pressure. When River grows concerned for his grandfather, Louisa encourages him to go for a visit.

S4 · E2A Stranger Comes to Town 8.2 / 10 · 1 published rating 2024-09-11 · 47 min＋

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

S4 · E3Penny for Your Thoughts 8.0 / 10 · 1 published rating 2024-09-18 · 47 min＋

River is trapped in France. Back at Slough House, the Dogs have come for Lamb.

S4 · E4Returns 7.8 / 10 · 1 published rating 2024-09-25 · 43 min＋

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

S4 · E5Grave Danger 7.8 / 10 · 1 published rating 2024-10-02 · 41 min＋

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

S4 · E6Hello Goodbye 8.7 / 10 · 1 published rating 2024-10-09 · 53 min＋

Impossible decisions are faced and sacrifices are made.