Executive producers Steven Moffat and Mark Gatiss discuss their decisions for the new Series 3 of Sherlock.\rbr\rbrSherlock Steven Moffat Interview - Season 4 Subscribe here - Red .\rbr\rbrMore about this programme: Co-creators and writers, Steven Moffat and Mark Gatiss talk about creating a modern Sherlock while .\rbr\rbrAfter a two-year absence Sherlock Series 3 came and went in just two weeks, delivering approximately 221 twists, several psychopaths and even a few new .