![](https://image.tmdb.org/t/p/w342/5royMHxZusjIpkr1QYsCnN3TCD4.jpg)
2 Views
Holmes & Watson receive a letter from an informant who known by the pseudonym Fred Porlock. Porlock is a man well connected with criminals. The letter is written in code, and Holmes determines that the code comes from the words in a book. They decipher the code by page and column and find that John Douglas of Birlstone House is in danger.
Release: Jan 01, 1983
Runtime: 50 minutes
Language: English
Studio: Burbank Animation Studios
Country: United States of America