Season 4, Episode 3 – In the possibly last episode of Sherlock ever, Eurus Holmes leads Sherlock down the rabbit hole in a game of wits that reveals the secrets of his past that have defined who he is. What is the Final Problem? And can it be solved before time runs out for Sherlock Holmes and Dr. John Watson?

Season 4, Episode 2 – In this week’s Sherlock, Sherlock’s attempts to save John from grief send him spiraling into an abyss of depression and drug use. In his obsessive pursuit of Culverton Smith, a new and terrifying addition to the show’s pantheon of villains, Sherlock is led down a dark path that leads to a terrifying reveal.

Season 4, Episode 1 – After a three-year gap between seasons, Sherlock starts off Season 4 with a bang, delivering on all fronts with riveting action and enthralling mysteries. Sherlock’s obsession with Moriarty’s possible return propels him through case after case – but it’s secrets from Mary’s past that end up coming back to haunt them all.