Air date: 2022-12-02

Runtime: 47 min

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.

Air date: 2022-12-02

Runtime: 52 min

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

Air date: 2022-12-09

Runtime: 56 min

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

Air date: 2022-12-16

Runtime: 49 min

Louisa makes her move on Pashkin. Catherine makes moves of a different kind when she plays high-stakes chess with a sinister stranger.

Air date: 2022-12-23

Runtime: 45 min

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

Air date: 2022-12-30

Runtime: 49 min

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