Why you should watch Star Trek: Discovery, The Deuce, and more
Sir Arthur Conan Doyle's legendary detective uses his keen powers of deduction in a series of cases which first aired on PBS's 'Mystery.'
A woman receives a cryptic note bearing "The Sign of Four." Part 1 of two. Holmes: Jeremy Brett. Mary: Jenny Seagrove. Watson: Edward Hardwicke. Maj. Shelte: Robin Hunter.
Show More »
Download the TV Guide app for iPhone, iPad and Android!