20 series recommended for anyone who enjoyed Slow Horses, ordered by audience score.
Sherlock
2010
Inspector Morse
1987
Killing Eve
2018
The Night Manager
2016
Spooks
2002
The Night Agent
2023
The Capture
2019
The Agency
2024
Strike
2017
Fool Me Once
Rabbit Hole
Bodies
Black Doves
Condor
Cross
Above Suspicion
2009
Citadel
Down Cemetery Road
2025
The Veil
Legends
2014
