Sherlock — Season 4, episode 1 watch online

Sherlock, season 4 episode 1 «The Six Thatchers»: air date January 1, 2017. Episode overview, season trailer and the cast of Sherlock.

While waiting for Moriarty to make good on his beyond-the-grave threat, Sherlock is intrigued by cases of vandalism where the criminal is breaking open busts of Margaret Thatcher. He soon discovers that the vandalism is tied to Mary's past.