Sherlock: The Final Problem (2017) - Written Review
So, here we are. The Final Problem. No, not that final problem from Series Two all those years ago, but the definitive final problem. Sherlock's last case. I'm going to cut to the chase: The Final Problem is an exhilarating roller coaster of emotions and revelations, but is sadly so fragile in its plot construction and writing that a if you were to concentrate just a little you'd notice the cracks almost instantly, meaning that Mark Gatiss and Steven Moffat's teleplay is oddly enough one of their least tight. I'm not sure if it's the weakest in its construction, and certainly doesn't falter to the levels of The Abominable Bride, nor does it have the rather poor structure of The Six Thatchers, but The Final Problem just doesn't hold up to much, if any scrutiny. So, Sherlock has discovered that he had a sister when he was younger, and that Mycroft had kept her hidden away in a facility called Sherrinford since her and Sherlock were young children. At f...