Apple TV+’s spy series Slow Horses is returning for yet another case in season 5, and there are already a ton of exciting updates about the new episodes. Debuting in 2022 and based on Mick Herron’s novels, Slow Horses chronicles the misadventures of MI5’s worst agents as they are relegated to the infamous Slough House. Though expected to push papers and have no real purpose, the determined agents often find themselves in the mix of some of the biggest threats that endanger Great Britain. Anchored by the legendary Gary Oldman, Slow Horses revolutionizes the spy thriller by being character-driven.