Finally, I've figured out what the Bonus Episodes should be about.
Short (around 5 minutes) snappy little scenes that add a bit of zest to the stories, allow you to listen in on some conversations that take place in between the episodes.
The first one is about to be posted, with access provided for anyone who supports the programme with a donation. One donation = one bonus episodes. Regular members will receive notification and access as soon as the new episodes, bonus and otherwise, are posted.
Susie has been talking to Janey about Helen's encounter in the street, and Janey—of course—jumps to the wrong conclusion.