The Sign of Four
- අවුරුදු: 1987
- රට: United Kingdom
- ප්රභේදය: TV Movie, Adventure, Crime, Mystery, Thriller
- ශබ්දාගාර: Granada Television
- මූල පදය: treasure, based on novel or book, river, doctor, sherlock holmes
- අධ්යක්ෂක: Peter Hammond
- කාස්ට්: Jeremy Brett, Edward Hardwicke, Jenny Seagrove, Ronald Lacey, John Thaw, Emrys James