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Sherlock actress Amanda Abbington discusses keeping Mary Watson’s secrets. Sherlock Season 4 premieres Sunday, January 1st, 2017 at 9/8c on MASTERPIECE on PBS. #SherlockPBS
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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. Sherlock will return in “The Six Thatchers” on January 1, 2017 on MASTERPIECE on PBS.