SPOILER ALERT: This article contains details of tonight’s Season 4 finale of Sherlock. «The Final Problem,» the last episode of Season 4 of the hit BBC One/Masterpiece drama, Sherlock, aired tonight in the UK and U.S., completing the long-awaited three-part return of Benedict Cumberbatch as the high-functioning sociopath sleuth, and Martin Freeman as sidekick Dr…

a través de ‘Sherlock’ Creators & Cast On Season 4 Finale’s Thrills & Heart; Is This Really ‘The Final Problem’ For The Baker Street Boys? — Deadline