Literary references abound in judicial opinions. There are thousands of them, including a substantial set of references to Sherlock Holmes. Within that Sherlockian set, there is an intriguing little subset: cases in which judges permit, endorse, or command engagement by other participants in the legal system in something that sounds a bit like Sherlockian role-playing. Are these judges—as they instruct or encourage—teaching participants in the legal system to be Sherlockians? Whatever the judges’ intentions, their messages ought, at the very least, to resonate with scholars and teachers who advocate for fandom in education.