The documentary form, once the poor relation of fiction cinema, has undergone a quiet transformation in its (0) NARRATION (NARRATIVE). Where 1OBSERVE filmmakers once worked in near obscurity for public broadcasters, the rise of global 2STREAM has made long-form non-fiction newly 3ACCESS to mass audiences. Skilfully 4CRAFT series on subjects from tiger farming to miscarriages of justice now routinely attract the sort of viewing figures reserved in the past for prestige drama, and the genre has accordingly acquired a cultural 5LEGITIMATE it long lacked. Platform 6COMMISSION have been quick to exploit the appetite, though some critics worry that market pressures encourage sensational treatments at the expense of 7ETHICS rigour. What no one disputes is that audience interest in complex, evidence-based storytelling has shown remarkable 8PERSIST, suggesting that the current golden age still has some way to run.