The concentration of media ownership, especially in Australia, means it is difficult to find any serious, quality and independent analysis of journalism through mainstream channels.
Fortunately, the web provides a window to much fearless documentary-style approaches to the profession, without the compromises that necessarily are attached to programs produced by the big media firms.
You’ll find a few of those programs here:

John Oliver on the glory of Spotlight and the grim reality of day-to-day journalism