Previously on Sherlock:Sherlock went on a massive drug bender and staged an elaborate case to catch a serial killer, all so that he could give John someone to rescue and somehow help him process his grief over his wife’s death. It turns out that
Previously on Sherlock: Sherlock and John investigate a case involving shattered busts of former British Prime Minister Margaret Thatcher. It turns out to be connected to Mary’s shady past as a killer for hire, and she ultimately ends up being killed
Finally! After what feels like a million years but is actually only three, Sherlockis back with a proper full series. (I’m not counting the Victorian one-off special that aired during early 2016 in this, if only because that episode was really weird
Previously, onSherlock: John got married, though since most of the episode consisted of Sherlock and John affirming the epic and lifelong nature of their relationship, you might be surprised to find out it was to Mary. Sherlock gave the best Best
Previously, on Sherlock: The great detective’s back from the dead, even though we never find out for sure how he faked his death and John never gets told that Sherlock did it to save his life. But, that’s okay, because the boys make up by the end
Previously, on Sherlock: It’s been two years, everyone’s become suitably obsessed with the central mystery heading into Series 3- the great Sherlock Holmes was forced to fake his own death in order to protect the lives of John Watson, Greg Lestrade