The Doctor (Doctor Who) credits Tennant as "Doctor Who". The credit reverted to "The Doctor" for 2005's Christmas special "The Christmas Invasion" and all subsequent stories at Tennant's request. Matt Smith, Peter Capaldi and Jodie Whittaker have continued to be credited as "The Doctor". John Hurt plays a mysterious past incarnation of the Doctor in the 50th anniversary special "The Day of the Doctor", with minor roles in "The Name of the Doctor" and mini-episode "The Night of the Doctor", created as a "mayfly Doctor" by Steven Moffat. In the television episodes, he is credited as "The Doctor", but he is introduced as "The
Doctor Watson and the Darkwater Hall Mystery be in "The Sign of the Four". The film references "A Study in Scarlet", "The Adventure of Black Peter", "The Adventure of the Musgrave Ritual" and "The Adventure of the Speckled Band". Fox would go on to play the character of Alistair Ross in another Sherlock Holmes pastiche, "The Crucifer of Blood". According to author Kingsley Amis, "the reviews were excellent." Alan Barnes calls the film "part-deconstruction, part-parody of Doyle" that "ends up resembling a long drawn-out shaggy dog story." Doctor Watson and the Darkwater Hall Mystery Doctor Watson and the Darkwater Hall Mystery is a 1974 British made-for-television mystery