Throughout this episode Chip constantly makes references to Sherlock Jones stories, which are all parody's of Sherlock Holmes stories.
This episode was released on Chip 'N' Dale Rescue Rangers Volume One.
This episode is a based on a Sherlock Holmes story "The Hound of Baskervilles"
The fox head in Lord Howie's castle looks just like the adult fox from disney's fox and the hound.
Chip dresses up like Sherlock Holmes later in this episode.
MacDuff looks awfully similar to Colonel Towser from The animated version of 101 Dalmatians.