Sherlock Holmes in the 22nd Century Season 1 Episode 3 The Hounds of the Baskervilles

A giant hound has been seen-and strangely enough, heard- on the moon. People are worried. It's up to Holmes, Watson, and Lestrade to expose what's happening and to catch who's responsible for it all. Of course, being jumped by the hound along the way doesn't help matters...