Sherlock: Series 4 Teaser (Official)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 This is a commercial channel from BBC S
