The Further Adventures of Sherlock Holmes public." In which Holmes and Watson find themselves in unfamiliar but impressive surroundings and (in Holmes's case) in somewhat unusual but not at all unwelcome company. The detective gets a chance to use one of his less frequently aired foreign languages, the doctor gets the shock of his life, a policeman becomes a suspect, a brass band plays a part, and the safety of the Empire is secured by a remarkable bird... Additional cast First transmitted on 6 April 2010. The enigmatic Mycroft Holmes astonishes his brother as the shocking truth behind the mystery of the politician, the lighthouse and
Mycroft Holmes [...] the most indispensable man in the country." He apparently serves as a sort of human computer, as stated in "The Bruce-Partington Plans": Mycroft appears or is mentioned in four stories by Doyle: "The Greek Interpreter", "The Final Problem", "The Empty House" and "The Bruce-Partington Plans". While he does occasionally exert himself in these stories on behalf of his brother, he on the whole remains a sedentary problem-solver, providing solutions based on seemingly no evidence and trusting Sherlock to handle any of the practical details. In fact, Mycroft's own lack of practicality is a severe handicap despite his inductive talents: