Apple TV Plus has dropped the first trailer for “Down Cemetery Road,” a new mystery thriller series based on Mick Herron’s novel with key contributors from the Emmy-winning “Slow Horses” involved, and starring Emma Thompson and Ruth Wilson. Now with the first trailer, we know what to expect when “Down Cemetery Road” premieres on October 29, 2025. What else do we know about ‘Down Cemetery Road’? “That’s why it’s different to Slow Horses in a way. Even better, “Down Cemetery Road” premieres just a week after the “Slow Horses” season 5 finale, making it the perfect follow-up for fans craving another dose of clever plotting and twisty drama.