Dr. Watson and the Darkwater Hall Mystery
- वर्ष: 1974
- देश: United Kingdom
- शैली: Mystery, TV Movie
- स्टुडिओ: BBC
- कीवर्ड: sherlock holmes
- संचालक: James Cellan Jones
- कास्ट: Edward Fox, Elaine Taylor, Christopher Cazenove, Jeremy Clyde, John Westbrook, Terence Bayler
