High Quality Content by WIKIPEDIA articles! Underbelly: Badness is an eight-part Australian television mini-series detailing real events that occurred in Sydney between 2001 and 2012. The series began its production in early 2012 and towards the middle of the year filming eventually commenced. A teaser clip for the series was released by the Nine Network indicating the core cast of the series. Caroline Craig returns to narrate the series for a fifth time. The series premiered on 13 August 2012. It was the first season of the franchise not to have 13 episodes.