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
Basil Rathbone produced by Fox in 1939), were set in the late Victorian times of the original stories. The later installments, produced by Universal, beginning with "Sherlock Holmes and the Voice of Terror" (1942), were set in contemporary times. The first three had World War II-related plots. Concurrent with the films, Rathbone and Bruce reprised their film roles in a radio series, "The New Adventures of Sherlock Holmes", which began in October 1939. Rathbone appeared in the radio series as long as the film series was active, but after the films lapsed in 1946, Rathbone ceded his radio part to Tom Conway.