Slow Horses 2x5 Apr 2026

: Catherine Standish proves her worth in a high-stakes chess match against Victor Krymov. Her victory secures the intelligence Lamb needs to confirm Katinsky is specifically targeting Slough House.

As the penultimate chapter of the season (based on Mick Herron's Dead Lions ), this episode maneuvers every Slough House agent into place for a race against the clock. Slow Horses 2x5

: While the city panics, Jackson Lamb (Gary Oldman) diggs into the MI5 archives. He discovers his own signature forged on defection papers, leading him to realize that the unassuming Nikolai Katinsky is actually the Russian spymaster pulling all the strings. : Catherine Standish proves her worth in a

The episode ends on a literal and metaphorical cliffhanger, leaving the fate of the team and the city of London hanging in the balance. : While the city panics, Jackson Lamb (Gary