The TV show "Slow Horses" can be watched streaming exclusively on Apple TV+. It is available in multiple countries including the U.S., U.K., and Australia. New users can take advantage of a 7-day free trial of Apple TV+ to watch "Slow Horses." After the trial, the subscription costs $12.99/month in the U.S., £9.99/month in the U.K., and AU$12.99/month in Australia. The show is also available through Apple TV Plus Amazon Channel and Amazon Prime Video. Season 5 premiered on September 24, 2025, and new episodes are released weekly on Apple TV+.