Watch The Adventures of Sherlock Holmes and Doctor Watson: The Treasures of Agra online

""Treasures of Agra," an adaptation of Conan Doyle's "The Sign of the Four" (with "A Scandal in Bohemia" folded into it) comes from a series of Soviet Sherlock Holmes television films from the late 1970s and 1980s that were consistently extraordinary in quality, and this two-part entry lives entirely up to its predecessors, if not surpassing them"