how many seasons of slow horses

The TV series "Slow Horses" currently has 4 complete seasons available for streaming on Apple TV+. The fifth season is scheduled to premiere on September 24, 2025. Additionally, Apple TV+ has announced a sixth season and a seventh season, the latter based on the book "Bad Actors." Therefore, there will be at least 7 seasons of "Slow Horses" planned in total, with 4 released, 1 upcoming, and 2 confirmed after that.