• Air date: 02 Dec '22 6 episodes
      Season 2 finds 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.
  • List of Episodes (6)
    • 1. Last Stop

      02 Dec '22
      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.
    • 2. From Upshott With Love

      02 Dec '22
      Lamb liaises with a Russian defector who may hold a clue to sleeper agents. River is on the trail of a ruthless assassin.
    • 3. Drinking Games

      09 Dec '22
      River gets cozy in the Cotswolds while searching for a sleeper agent. Min discovers Russian drinking games are the most brutal of all.
    • 4. Cicada

      16 Dec '22
      Louisa makes her move on Pashkin. Catherine makes moves of a different kind when she plays high-stakes chess with a sinister stranger.
    • 5. Boardroom Politics

      23 Dec '22
      Lamb orders his Slow Horses to walk into traps. River believes something alarming is heading toward London.
    • 6. Old Scores

      30 Dec '22
      Lamb and Katinsky go head-to-head. Ho finds himself trapped on a train with a Russian assassin. Season finale.