The Sign of Four
The Sign of Four or The Sign of the Four (engl. The Sign of Four ) stands for:
- The Sign of Four , original title of The Sign of Four , novel by Arthur Conan Doyle
- The Sign of Four , alternative title from Sherlock Holmes Solves the Sign of the Four , 1913 film
- The Sign of Four , original title of The Sign of Four (1923) , film from 1923
- The Sign of Four , original title of The Sign of 4 , 1932 film
- The Sign of Four , original title of Imzeichen der Vier , 1983 film
- The Sign of Four , original title of Daszeichen 4 , episode of the television series "The Adventures of Sherlock Holmes"
- The Sign of the Four , original title of an episode by Sherlock Holmes (TV series, 1965)
- The Sign of the Four (2001) , 2001 Canadian television film