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 (2002 film) portrays a séance performed by Dr. Mortimer's wife. This scene never appeared in the original novel, though a similar scene did appear in the 1939 Basil Rathbone version of the film. Richard Scheib of "The Science-Fiction, Horror and Fantasy Film Review" called the film "one of the best Sherlock Holmes screen adaptations to date, and arguably the best of all screen versions of "The Hound of the Baskervilles" that we have." Pamela Troy of "CultureVulture.net" wrote, "There's a lot that may outrage fans of the original novel, but this is, nonetheless, a respectful, interesting, and worthwhile adaptation." Charles Prepolec of