The quirky spin on Conan Doyle’s iconic sleuth pitches him as a “high-functioning sociopath” in modern-day London. Assisting him in his investigations: Afghanistan War vet John Watson, who’s introduced to Holmes by a mutual acquaintance. Season 1 Season 2 Season 3 Season 4 S1.E0 ∙ Unaired Pilot Invalided home from the war in Afghanistan, Dr.…