Entertainment TV Read Time : 1 Minutes New Trailer Released For Max Landis’ ‘Dirk Gently’s Holistic Detective Agency’ August 24, 2016 Hoob I can’t imagine that there’s a single fan of Hitchhiker’s Guide To The Galaxy, author, Douglas Adams that isn’t at least a little bit excited about the upcoming TV adaptation of ‘Dirk Gently’s Holistic Detective Agency’.