<page_title> List of Sherlock Holmes episodes </page_title> <section_title> The Return of Sherlock Holmes (1986–1988) </section_title> <table> <cell> "The Sign of Four" <col_header> Title </col_header> <col_header> "The Empty House" </col_header> <col_header> "The Priory School" </col_header> <col_header> "The Second Stain" </col_header> <col_header> "The Musgrave Ritual" </col_header> <col_header> "The Abbey Grange" </col_header> <col_header> "The Man with the Twisted Lip" </col_header> <col_header> "The Six Napoleons" </col_header> </cell> <cell> 29 December 1987 <col_header> First broadcast </col_header> <row_header> "The Sign of Four" </row_header> </cell> <cell> "The Hound of the Baskervilles" <col_header> Title </col_header> <col_header> "The Empty House" </col_header> <col_header> "The Priory School" </col_header> <col_header> "The Second Stain" </col_header> <col_header> "The Musgrave Ritual" </col_header> <col_header> "The Abbey Grange" </col_header> <col_header> "The Man with the Twisted Lip" </col_header> <col_header> "The Six Napoleons" </col_header> <col_header> "The Sign of Four" </col_header> <col_header> "The Devil's Foot" </col_header> <col_header> "Silver Blaze" </col_header> <col_header> "Wisteria Lodge" </col_header> <col_header> "The Bruce-Partington Plans" </col_header> </cell> <cell> 31 August 1988 <col_header> First broadcast </col_header> <row_header> "The Hound of the Baskervilles" </row_header> </cell> </table>
"The Sign of Four" and "The Hound of the Baskervilles", aired on 29 December 1987 and 31 August 1988 respectively.