The internet is going wild over the just released trailer of season 4 of Sherlock. The show is based on favorite detective Sherlock Holmes which was created by Arthur Conan Doyle first began in 2010 starring Benedict Cumberbatch in the lead. And while it's a well known fact that Martin Freeman (Dr Watson)'s real life partner Amanda Avbington plays his partner Mary on the show, not many know that Sherlock's parents are also played by Benedict Comerbatch's parents Wanda Ventham and Timothy Carlton!
Watch the recently released trailer of the show here https://www.youtube.com/watch?v=xj6c_nXsxW8
