E1 - Last Stop

Aired: December 02, 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.

E2 - From Upshott with Love

Aired: December 02, 2022

Lamb liaises with a Russian defector who may hold a clue to sleeper agents. River is on the trail of a ruthless assassin.

E3 - Drinking Games

Aired: December 09, 2022

River gets cozy in the Cotswolds while searching for a sleeper agent. Min discovers Russian drinking games are the most brutal of all.

E4 - Cicada

Aired: December 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.

E5 - Boardroom Politics

Aired: December 23, 2022

Lamb orders his Slow Horses to walk into traps. River believes something alarming is heading toward London.

E6 - Old Scores

Aired: December 30, 2022

Lamb and Katinsky go head-to-head. Ho finds himself trapped on a train with a Russian assassin.