The Final Problem
Season 4
Episode 3
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About the Episode
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:
01/14/17
| Expires: | Runtime: 1hr 29m 59s