Adaptations of Sherlock Holmes faithful adherence to the original characterization. One famous radio appearance starred Orson Welles as Sherlock Holmes in an adaptation of one of William Gillette's plays. This was broadcast in September 1938 as part of "The Mercury Theater on the Air" series on CBS Radio. Throughout the early 1940s on American Radio, Basil Rathbone and Nigel Bruce performed as Holmes and Watson, respectively, in several series of canonical and original Sherlock Holmes stories on "The New Adventures of Sherlock Holmes" radio show. These broadcasts were loosely based on Doyle's cases. When Rathbone finally departed the role before the 1947 season, Tom
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