Sherlock Holmes and the Secret Weapon
Sherlock Holmes and Doctor Watson must protect a Swiss inventor of an advanced bomb sight from falling into German hands.
IMDb rating: 6.6
Director: Roy William Neill
Writers: Edward T. Lowe Jr. (screenplay) (as Edward T. Lowe), Scott Darling (screenplay) (as W. Scott Darling)
Stars: Basil Rathbone, Nigel Bruce, Lionel Atwill