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 (1978 film) three French nuns, and is later called on a case by Dr. Mortimer (Terry-Thomas) concerning Sir Henry Baskerville (Kenneth Williams) and a legendary hound that curses the Baskerville estate. Tired and worn out by so many cases, Holmes passes the case onto Dr. Watson (Moore), who is portrayed as a Welsh eccentric. Upon arriving at the station, Sir Henry, Dr. Mortimer, Watson and Perkins (their driver) are halted by a policeman (Spike Milligan), who warns them of a murderer stalking the moors, before sending the group on their way. While out in the moor collecting specimens, Watson has a curious