1-th episode of 4-th season "Sherlock"

What "Sherlock" 1-th episode about

One mysterious case in particular baffles Scotland Yard - but Sherlock is more interested in a seemingly-trivial detail. Why is someone destroying images of the late Prime Minister Margaret Thatcher? Is there a madman on the loose? Or is there a much darker purpose at work? Something with its roots deep in Mary Watson's past.

Episode number: 1

Episode name: "The Six Thatchers"

Episode release date: 1 january 2017 at 20:30

Status: aired

Rating: 7.6