There was a time when the release of a new trailer for a television series simply created buzz for that particular property. In those glory days of old, audiences would just happen to see an advertisement alerting them to the fact that the premiere of a new series was just around the corner. “That seems interesting,” they would say to themselves. “Perhaps I’ll give that a try”. Hero Fiennes Tiffin and Dónal Finn in Young Sherlock. Pic: Dan Smith/Amazon Prime Video. Times have

Duvall’s casting was a success. The New York Times called him “one of America’s best actors, who plays the English Dr Watson with such wit and control that it’s difficult to believe he’s ever played an American with equal conviction.”

Anthony Horowitz is no stranger to Sherlock Holmes; his career as a crime writer was inspired by the canon and he’s written two pastiches (House of Silk, Moriarty) and a pair of novel series (the Daniel Hawthorne series, beginning with The Word is Murder and the Susan Ryeland series, beginning with Magpie Murders) which are homages to Sir Arthur Conan Doyle and his famous creation.

“Once Jonathan was on board,” Earl says, “no disrespect to Conan Doyle, but the whole thing just seemed to take on a life of its own! Genuinely a life of its own, because we’re now doing original stories.”

Between the show’s writing and acting and its connections to Sherlock Holmes canon, it’s got a lot going for it.