After delivering the most successful New Zealand podcast to date, Stuff presents its next major series in the audio format.

In Superfad, two of our millennial reporters dive into the trends that surge and often retreat from the nation's consciousness. Laura Walters and Katie Kenny have spent a week in a waist trainer, crammed into a tiny house and vegged out on the couch for hours of binge watching to deliver the podcast.

They're joined each week by well-known New Zealanders and opinionated experts to help explain the fads, including some of the problems that come along with them.

A new episode is added every Friday for seven weeks.