Watch Sherlock Holmes and the Secret Weapon

Sherlock Holmes and the Secret Weapon is a 1943 film that updates the master sleuth to the WWII era. The movie has Holmes posing as a Nazi spy to aid a scientist escape German hands. Holmes loses the man as he slips away to find his fiance and is abducted. The detective and Watson search for the scientist and his bombsight invention that could change the course of the war. Long time archenemy Moriarty, in league with the Nazis, is also searching for the missing man and the device. Of course, there is only one world's greatest detective.