The Sign of Three

The Sign of Three
Director	Colm McCarthy
Writers	Stephen Thompson Steven Moffat Mark Gatiss
Series	Sherlock
Series No.	3
No. in series	2
No. overall	8
Original airday	Sunday
Original airdate	5th January 2014
Previous episode	The Empty Hearse
Next episode	His Last Vow

The Sign of Three is the second episode of the third series of Sherlock.

Sherlock episodes
Series 1 | 2010	•••1 • 2 • 3
Series 2 | 2012	•••1 • 2 • 3
Mini-episode | 2013	•••1
Series 3 | 2014	•••1 • 2 • 3
Special | 2016	•••1
Series 4 | 2017	•••1 • 2 • 3