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.
Where to watch
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Apple TV
see all options Availability data: JustWatch
- Seasons
- 6
- Episodes aired
- 30
- Latest aired
- S05E06
- Total runtime
- 1d
Timeline when each season aired
- Season 1 April 2022 6 episodes
- Season 2 December 2022 6 episodes
- Season 3 November 2023 – December 2023 6 episodes
- Season 4 September 2024 – October 2024 6 episodes
- Season 5 September 2025 – October 2025 6 episodes
- Season 6 September 2026 – October 2026 6 episodes
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S02E01 Last Stop
December 2 · 47min find the promo
Show synopsis
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.
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S02E02 From Upshott with Love
December 2 · 52min find the promo
Show synopsis
Lamb liaises with a Russian defector who may hold a clue to sleeper agents. River is on the trail of a ruthless assassin.
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S02E03 Drinking Games
December 9 · 56min find the promo
Show synopsis
River gets cozy in the Cotswolds while searching for a sleeper agent. Min discovers Russian drinking games are the most brutal of all.
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S02E04 Cicada
December 16 · 49min find the promo
Show synopsis
Louisa makes her move on Pashkin. Catherine makes moves of a different kind when she plays high-stakes chess with a sinister stranger.
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S02E05 Boardroom Politics
December 23 · 45min find the promo
Show synopsis
Lamb orders his Slow Horses to walk into traps. River believes something alarming is heading toward London.
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S02E06 Old Scores
December 30 · 49min find the promo
Show synopsis
Lamb and Katinsky go head-to-head. Ho finds himself trapped on a train with a Russian assassin.