Sherlock is the smartest of the Holmes brothers in BBC's Sherlock. He outsmarts and tricks Mycroft multiple times in the series, such as when he drugs Mycroft and steals his laptop in Sherlock season 3, episode 3, "His Last Vow." Mycroft is only able to sometimes get leverage on Sherlock, thanks to his government position. Eurus Holmes is the third child and only daughter of Mr Holmes and Mrs Holmes, eight years younger than Mycroft and one year younger than Sherlock. She is referred to as the most intelligent one among the Holmes, classified as an era-defining genius. Mycroft first mentioned her as "the other one". She grew up alongside her two brothers in their Sherlock Season 4 has been a long time coming. In fact, it's been in development for so long that it has kind-of felt like something that was still in the distant future. That is, until now. Sherlock season 4, episode 3: "The Final Problem" might be the series finale. If it is, it's a huge disappointment. Though to be fair, it's disappointing either way. Sherlock is defined by the freedoms and restrictions afforded it by the unique format of three feature-length episodes per season. Beyond allowing the show to pop up as infrequently as its increasingly busy stars' schedules will allow, the strength of Sherlock's format is that it avoids the pitfalls of conventional television - even shorter 10-episode seasons common to cable - in that 10 Reasons Why 'Sherlock' Is Terrible TV. It was fitting that the most recent episode of Sherlock featured extensive scenes in an aquarium. As many viewers pointed out, suggestions that the show had "jumped the shark" were perfectly apt. Having seen the series from the very first episode back in 2010, and repeatedly given it the benefit of Sherlock was brought back in season 3 and his and John's adventures continued in a fourth and final season, which is widely considered as the series' worst. Sherlock season 4 introduced a third Holmes sibling, Eurus (Sian Brooke), and presented stories that were hard to follow and believe, leaving viewers disappointed. Sherlock: Season 1 [Blu-ray] Sherlock: Season 2 [Blu-ray] Sherlock: Season 3 (Blu-ray) (Original UK Version) Sherlock: The Abominable Bride Sherlock: Season 4: REVIEWED ON THIS PAGE SEASON FIVE? Guarded Optimism. I will let you know more when I find out more. See the first Comment (dated August 20, 2016) for the latest developments. Season 4, which came out in 2017, has long been seen as the show's conclusion, but the thing is that Sherlock was never canceled. There was never an announcement that the show was ending or even The most queerbaitiest of Sherlock episodes ISN'T the first episode ever, in which Sherlock thinks John is asking him out over a candelit Italian dinner, although that's a popular example. The most queerbaitiest episode is actually the first episode of Season 2, when Irene Adler comes to town. ALSO READ: Julian Recaps: Back in MCU c2V2.