Slow Horses is a spy thriller dark comedy-drama series written by Will Smith, Morwenna Banks, Mark Denton, and Jonny Stockwood. Based on the Slough House novel series by author Mick Herron, the Apple TV+ series follows the story of River Cartwright (Jack Lowden) as he ends up in Slough House after a botched training mission. Slough House is a part of Mi-5, but everybody there are the rejects, who aren’t capable of being real agents, they are known as Slow Horses to the rest of the agents and the head of the Slough House is Jackson Lamb (Gary Oldman), a mean old man who once was a brilliant field agent. The series follows Cartwright’s relentless drive to get out of the Slough House. So, if you loved the dark humor, intensely thrilling story, and compelling characters in Slow Horses here are some similar shows you should check out next.