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 of a Swiss scientist by their nemesis Professor Moriarty, to steal a new bomb sight and sell it to Nazi Germany. Sherlock Holmes and Dr. John Watson have to crack a secret code in order to save the country. The film is one of four films in the series which are in the public domain. Sherlock Holmes (Basil Rathbone) pretends to be a Nazi spy to aid scientist Dr. Franz Tobel (William Post Jr.) and his new invention, a bombsight, in escaping a Gestapo trap in Switzerland. Holmes and Franz fly to London, where Holmes places him under the protection