The Hounds of Baskerville order to test his theory. He also points out Sherlock was wrong for once; he believed the drug was in Henry's sugar and put it in John's coffee. In the closing scenes, Mycroft oversees the release of Jim Moriarty (Andrew Scott) from a holding cell in which he has written Sherlock's name all over the walls. The story is based on Arthur Conan Doyle's novel "The Hound of the Baskervilles", and also contains plot devices and lines from other Doyle stories: In June 2011, it was announced that Russell Tovey would appear in "Sherlock" series two in its second episode.
The Hound of the Baskervilles (2000 film) of the film's budget went into creating elaborate sets to capture the essence of the book's locations. Production designer Jean-Baptiste Tard had $600,000 to create 221B Baker Street as well as a facade for Baskerville Hall. The film was shot in Quebec, Canada, using the streets of Old Montreal to mimic Holmes' iconic Baker Street residence, and the streets of London, England. The nearby rural town of Harrington, Quebec was used as a stand in for the English moors near Henry Baskerville's home. The "hound" was a trained German Shepard augmented with the use of contact lenses and CG. Frewer's