Sherlock returns with three brand-new feature length episodes, promising laughter, tears, shocks, surprises and extraordinary cases. The eagerly anticipated fourth series begins with everyone's favourite detective, Sherlock Holmes, back once more on British soil, as Doctor Watson and his wife, Mary, prepare for their biggest ever challenge becoming parents for the first time.
Benedict Cumberbatch and Martin Freeman reprise their iconic roles as Sherlock Holmes and Doctor Watson in the hit drama written and created by Steven Moffat and Mark Gatiss, and inspired by the works of Sir Arthur Conan Doyle.
BONUS FEATURES
Behind 221B John & Mary's Flat Script to Screen The Writer's Chat
Mark Gatiss Video Diary Part One: On Set
Mark Gatiss Video Diary Part Two: Final Scenes
Video Diary with Danny Hargreaves 221B Set Timelapse
