This app will stop working on 3rd April 2017. But you can still listen to BBC iPlayer Radio via your browser by visiting bbc.co.uk/radio
5/5 Living in a shed with pigeons, a drunk and no toilet - can life get any worse?
4/5 The inventor tries to license his chocolate and wife Rita's meeting is rudely interrupted.
3/5 A fresh secret and a betrayal sparks more bad news for the inventor to break to wife Rita.
2/5 Celebrating a new job and a birthday, Robin invents a new thirst-quenching chocolate bar.
1/5 A 52-year-old wannabe inventor has no job, a rocky marriage and a pigeon.