Sherlock

The Final Problem

Season 4 Episode 3 | 1h 29m 51s

In this episode, written by Mark Gatiss and Steven Moffat, long-buried secrets catch up with the Baker Street duo. Someone has been playing a long game indeed and Sherlock and Watson face their greatest ever challenge. Is the game finally over?

Aired: 01/15/17

Expired: 09/09/18

Rating: TV-14

Video has closed captioning.
Watch Preview

Problems Playing Video?

Funding for Sherlock, Season 4 provided by: Viking Cruises, Farmers Insurance, The Masterpiece Trust and PBS Stations.