Sherlock Holmes and the Valley of Fear (1983)

Animation
Mystery
TV Movie

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.

Cast

Sherlock Holmes (voice)
Dr. Watson (voice)
(voice)

Crew

Production Coordinator
Production Manager
Animation Supervisor
Adaptation