File:Sherlock Series 4 Teaser (Official)

Description
It's not a game anymore. #Sherlock series 4 coming soon…

Subscribe here for more Sherlock: https://www.youtube.com/channel/UCkp_CAX1eIc5k5SavzbhN5w?sub_confirmation=1 Sherlock YouTube Channel https://www.youtube.com/channel/UCkp_CAX1eIc5k5SavzbhN5w Sherlock Facebook: https://www.facebook.com/Sherlock.BBCW Sherlock Twitter https://twitter.com/sherlock221b

For more information on Sherlock and MASTERPIECE on PBS, visit http://www.pbs.org/sherlock #SherlockPBS

This is a channel from BBC Worldwide, trading as BBC Studios, who help fund new BBC programmes.