The Hound of the Baskervilles (1939 film) in the Victorian period of the original stories; all known previous "Holmes" films, up to and including the 1930s British film series starring Arthur Wontner as Holmes, had been updated to a setting contemporaneous with the films' release. It is also the only film in the series to be a strict adaptation of a source material, while subsequent installments would feature original titles and incorporate various elements of different stories. Sherlock Holmes (Basil Rathbone) and Dr. John H. Watson (Nigel Bruce) receive a visit from Dr. James Mortimer (Lionel Atwill), who wishes to consult them before the arrival of Sir
Sherlock Holmes and the Secret Weapon drops. Scotland Yard apprehends the spies, but Moriarty escapes. When he attempts to complete his escape through a secret passageway, he falls sixty feet to his death; Holmes has discovered the criminal's hidden trap door and left it open. With Tobel saved and the bombsight recovered, Watson notes that things "are looking up... this little island is still on the map". This is the second Basil Rathbone "Sherlock Holmes" film in which Moriarty dies. He is thrown to his death from the top of the Tower of London by Holmes in 1939's "The Adventures of Sherlock Holmes". During the course