Follow a dysfunctional team of MI5 agents—and their obnoxious boss, the notorious Jackson Lamb—as they navigate the espionage world’s smoke and mirrors to defend England from sinister forces.
6 episodes in this season
E1
44m
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
49m
Lamb liaises with a Russian defector who may hold a clue to sleeper agents. River is on the trail of a ruthless assassin.
E3
53m
River gets cozy in the Cotswolds while searching for a sleeper agent. Min discovers Russian drinking games are the most brutal of all.
E4
46m
Louisa makes her move on Pashkin. Catherine makes moves of a different kind when she plays high-stakes chess with a sinister stranger.
E5
42m
Lamb orders his Slow Horses to walk into traps. River believes something alarming is heading toward London.
E6
46m
Lamb and Katinsky go head-to-head. Ho finds himself trapped on a train with a Russian assassin.
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