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The Final Problem
Director
Benjamin Caron
Writers
Mark Gatiss
Steven Moffat
Series
Sherlock
Series No.
4
No. in series
3
No. overall
13
Original airday
Sunday
Original airdate
15th January 2017
Previous episode

The Final Problem is the third and final episode of the fourth series of Sherlock.

Sherlock episodes
Series 1 | 2010

•••123

Series 2 | 2012

•••123

Mini-episode | 2013

•••1

Series 3 | 2014

•••123

Special | 2016

•••1

Series 4 | 2017

•••123