Sherlock, Season 4: First Look
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Coming in 2017, Sherlock will return with three brand-new episodes that promise laughter, tears, shocks, surprises and extraordinary adventures.
Season four begins with the mercurial Sherlock Holmes (Benedict Cumberbatch), back once more on British soil as Doctor Watson (Martin Freeman) and his wife Mary (Amanda Abbington) prepare for their biggest challenge yet: becoming parents.
Co-creators, writers and executive producers Steven Moffat and Mark Gatiss say: “Whatever else we do, wherever we all go, all roads lead back to Baker Street, and it always feels like coming home. Ghosts of the past are rising in the lives of Sherlock Holmes and John Watson and terror and tragedy are looming. This is the story we’ve been telling from the beginning and it’s about to reach its climax.”
Sherlock Season 4 on MASTERPIECE premieres January 1, 2017 on Nine PBS.