IMDb
6.6 /10
191 votes


Animation · Mystery · TV Movie · 1983 · 50 min
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.
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Burbank Animation Studios











Available in United States (data from JustWatch via TMDB · click → opens in provider)

IMDb
6.6 /10
191 votes
Rotten Tomatoes
The tomato isn't ripe
Metacritic took the day off
TMDB
5.5 /10
7 votes
Letterboxd
Letterboxd didn't respond
Weighted average
6.1/10