Season 2
Long-buried Cold War secrets emerge which threaten to bring carnage to the streets of London. When a liaison with Russian villains takes a fatal turn, our hapless heroes must overcome their individual failings and raise their spy game in a race to prevent a catastrophic incident.
01 Last Stop
44mJackson Lamb is on high alert after a former spy is found dead. Min and Louisa are tempted by an offer from outside Slough House.
2022-12-02 7.8
02 From Upshott with Love
49mLamb liaises with a Russian defector who may hold a clue to sleeper agents. River is on the trail of a ruthless assassin.
2022-12-02 8.0
03 Drinking Games
53mRiver gets cozy in the Cotswolds while searching for a sleeper agent. Min discovers Russian drinking games are the most brutal of all.
2022-12-09 8.1
04 Cicada
46mLouisa makes her move on Pashkin. Catherine makes moves of a different kind when she plays high-stakes chess with a sinister stranger.
2022-12-16 7.8
05 Boardroom Politics
42mLamb orders his Slow Horses to walk into traps. River believes something alarming is heading toward London.
2022-12-23 8.4
06 Old Scores
46mLamb and Katinsky go head-to-head. Ho finds himself trapped on a train with a Russian assassin.
2022-12-30 8.4
Who is in it
Gary OldmanJackson Lamb
Jack LowdenRiver Cartwright
Kristin Scott ThomasDiana Taverner
Hugo WeavingFrank Harkness
Saskia ReevesCatherine Standish
Christopher ChungRoddy Ho
Rosalind EleazarLouisa Guy
Aimee-Ffion EdwardsShirley Dander