Forbes reported that Slow Horses Season 6 set the best score yet on Rotten Tomatoes. That score outdoes every previous season. Apple TV has greenlit the spy drama for Season 8. The renewal extends the show. Variety, Dark Horizons and UPI confirmed the renewal. The outlets shared the update. Gary Oldman said the Queen and Prince William are serious viewers of the drama. He described the royal pair as regular watchers. Aimee-Ffion Edwards, who plays a cocaine-snorting spy in the drama, discussed her role with The Guardian. She told The Guardian about being unafraid. She also talked about her time in a boys' rugby team. That background surfaced during the talk. Cosmopolitan reported when Season 6 will be released on Apple TV. The magazine pointed to the new season's premiere window.