Sherlock 4x2The Lying DetectiveTemporada 4 Temporada 1 3 EpisodiosTemporada 2 3 EpisodiosTemporada 3 3 EpisodiosTemporada 4 3 Episodios 4x1 - The Six Thatchers 4x2 - The Lying Detective 4x3 - The Final Problem Sherlock faces perhaps the most chilling enemy of his long career: the powerful and seemingly unassailable Culverton Smith - a man with a very dark secret indeed.