Status: Released
Runtime: 50
Release Date: 01/01/1983
Origin Language: en
Origin Country: US
Languages: English
Production: Burbank Animation Studios
Countries: United States of America
Budget: 0
Revenue: 0 (0)
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.