Four TV execs talk to Wayne Garvie about the worst shows they've ever made and what they learned from their mistakes

In the last of our series highlighting the audio documentary form, Vicky Frost and Nina Garthwaite explore Paris through the work of producer Katharina Smets

Vicky Frost and Nina Garthwaite listen to Andrea Silenzi's documentary on getting an IUD contraceptive fitted – and discuss why there aren't more female producers tackling modern issues

In the second of four programmes, Vicky Frost talks to Nina Garthwaite about Sheffield Doc/Fest and listens to another shortlisted audio documentary.

As Doc/Fest 2014 gets underway in Sheffield, Vicky Frost talks to the founder of In The Dark Nina Garthwaite, a group dedicated to championing the radio feature documentary