"Ever wonder where those movie ratings came from? G, PG, PG-13, R, and the elusive NC-17? There turns out to be an incredible history behind the development of those ratings, especially the more mature ratings. This Film is Not Yet Rated is a 2006 documentary that explores the history of the Motion Picture Association of America (MPAA) rating system..."

This episode is also available as a blog post: https://mediacritiquechic.com/2016/01/29/the-history-of-the-movie-rating-system-a-review-of-this-film-is-not-yet-rated/