Sherlock Holmes helps one of Dr. Watson's old friends by explaining the source of an odd noise in the man's home, but in doing so Holmes uncovers a more serious mystery.<br /><br />Directors: Steve Previn, Sheldon Reynolds, Jack Gage<br />Writers: Harold Jack Bloom, Arthur Conan Doyle, Charles Early<br />Starring: Ronald Howard, Howard Marion-Crawford, Archie Duncan, Richard Larke