True Female Characters
http://www.escapistmagazine.com/videos/view/extra-credits/2868-True-Female-Characters
This clip is about creating female characters for video games, but might be useful in regards to media production more generally. Could spark discussion on the absence of dynamic characters belonging to particular categories of social identity; why writing certain characters can be perceived as unnecessary and/or difficult; representations of gender, etc.
Why film schools teach screenwriters not to pass the Bechdel test
http://thehathorlegacy.com/why-film-schools-teach-screenwriters-not-to-pass-the-bechdel-test/
This article discusses the absence of female characters & of relationships between female characters.