'Sherlock' Season 4 News and Spoilers: Tom Hiddleston may be cast for Season 4 [VIDEO]

Jul 30, 2016 AM EDT A fake trailer for season 4 of 'Sherlock' had gained notoriety for starting a rumour. The rumor was of actor Tom Hiddleston being cast for the role of Sherlock's third brother, Sherridan in season 4 ...