Sherlock Holmes and the Secret Weapon the two other than the code. It is implied that the events of "The Dancing Men" are canon with the events of the film, as Watson is reminded of "a case [they] had some years ago". Lionel Atwill appeared previously in the film "The Hound of the Baskervilles" (1939) as Dr Mortimer. Sherlock Holmes and the Secret Weapon Sherlock Holmes and the Secret Weapon (1942) is the fourth in the Basil Rathbone/Nigel Bruce series of 14 Sherlock Holmes films which updated the characters created by Sir Arthur Conan Doyle to the then present day. The film is credited as an
Sherlock Holmes novel "Psmith, Journalist" (neither spoken by Holmes). The exact phrase "Elementary, my dear Watson" is used by protagonist Tom Beresford in Agatha Christie's 1922 novel "The Secret Adversary". It also appears at the end of the 1929 film "The Return of Sherlock Holmes", the first Holmes sound film. The phrase became familiar with the American public in part due to its use in The Rathbone-Bruce series of films from 1939 to 1946. Conan Doyle's 56 short stories and four novels are known as the "canon" by Holmes aficionados. Early canonical scholars included Ronald Knox in Britain and Christopher Morley in