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(en)
4.0
1983
50m
Animation
Mystery
TV Movie
Overview: 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.
Status: Released
Release date: January 1, 1983
Countries of origin: United States of America,