'The Chestnut Man', a Danish crime thriller series on Netflix, is set to return on May 7, 2026, after a five-year hiatus. The show, which premiered on September 29, 2021, follows investigators Naia Thulin and Mark Hess as they hunt a serial killer who leaves eerie chestnut figures at crime scenes. With a 100% critics' score on Rotten Tomatoes and an 84% audience score, it has garnered acclaim for its gripping narrative and character depth. The first season's ratings improved as it progressed, with the penultimate episode receiving a 7.9 on IMDb. The upcoming season will draw from the recently released sequel book 'Hide and Seek', ensuring a robust storyline for fans. As anticipation builds, 'The Chestnut Man' promises to maintain its reputation as one of Netflix's best thriller series.