And there’s plenty at stake this time around, with Benedict Cumberbatch’s usually unflappable detective looking uncharacteristically distressed.
With Episode 2’s title revealed to be ‘The Lying Detective’, there’s a hint that the series may be adapting Arthur Conan Doyle’s tale ‘The Dying Detective’.
Sherlock season 4 premieres 1 January 2017 on BBC One.
The previously released trailer for Sherlock season 4 was aired, marked with one crucial difference: we’ve finally gotten an air date for the new episodes, premiering on 1 January 2017.