John Watson is moving to London with his family , minus his dad. Jim Moriarty is seeking revenge. And Sherlock Holmes is becoming the greatest detective of all time. "The Science of Growing Up" surrounds three main characters of BBC's Sherlock in their childhood. The twist? What if John Watson and Sherlock Holmes didn't meet for a flat , maybe it was over a locker. *TRIGGER WARNING: ABUSE*Creative Commons (CC) Attribution