Stardate: 42286.3. Data and Geordi become involved with a holodeck program about Sherlock Holmes and his investigations, when they create Sherlock's arch nemesis, Moriarty; however, modifications to the Moriarty character include the capability of out-smarting Data, which leads to some unexpected consequences.
Quest roles:
Majel Barrett(Lwaxana Troi), Daniel Davis(Professor James Moriarty), Alan Shearman(Inspector Lestrade), Biff Manard(Ruffian), Anne Ramsay(Ensign Clancy), Richard Merson(Pie Man), Michael Braveheart(Crewman Martinez), Diz White(Prostitute), Guy Vardaman(Darien Wallace), Mark Wilson(Klingon Council Member)