The screen debut of Basil Rathbone and Nigel Bruce as Sherlock Holmes and Dr. Watson, and the ultimate Sherlockian adventure. Does the demonic dog that has haunted the Baskerville clan really exist, and will the young heir who comes to Holmes for help be the next victim? Classic mystery, loaded with Victorian flavor and English fog, also stars Richard Greene, Wendy Barrie, Lionel Atwill, and John Carradine. 80 min. Standard; Soundtrack: English; audio commentary; photo gallery; theatrical trailers.