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 Date | January 1, 1983 | |
|---|---|---|
| Status | Released | |
| Original Title | Sherlock Holmes and the Valley of Fear | |
| Runtime | 50min | |
| Budget | — | |
| Revenue | — | |
| Language | English | |
| Original Language | English | |
| Production Countries | United States of America | |
| Production Companies | Burbank Animation Studios | |