The Sign of the Four and play adaptations insure this book: The Sign of the Four was also adapted for radio by Bert Coules in 1989 as part of BBC Radio 4's complete audio Sherlock Holmes, with Clive Merrison as Holmes, Michael Williams as Watson, and featuring Brian Blessed as Jonathan Small. The Sign of the Four The Sign of the Four (1890), also called The Sign of Four, is the second novel featuring Sherlock Holmes written by Sir Arthur Conan Doyle. Doyle wrote four novels and 56 short stories featuring the fictional detective. The story is set in 1888. "The Sign of the Four"
The Adventures of Sherlock Holmes and Dr. Watson (film) The Adventures of Sherlock Holmes and Dr. Watson (film) The Adventures of Sherlock Holmes and Dr. Watson () is a 1980 Soviet film adaptation of Arthur Conan Doyle's stories about Sherlock Holmes. It is the second film (episodes 3-5) in "The Adventures of Sherlock Holmes and Dr. Watson" film series directed by Igor Maslennikov. The film is based on three stories by Conan Doyle – "The Adventure of Charles Augustus Milverton", "The Final Problem", "The Adventure of the Empty House". After solving another case, Sherlock Holmes and Doctor Watson return to London by train. Shortly afterwards, Holmes and Watson are