We were asked to take part in a TV programme for french television about 7 years ago. We have a small building company in the Tarn and the producer wanted to do a programme about the English moving to france and 'living the dream'.
My husband refused to entertain the idea but I was keen because I thought it would be good for the business. As it turns out I was so relieved we didn't take part. I found the programmes difficult to watch, as some of the English families and businesses featured were portrayed as wealthy, eccentric, slightly clueless buffoons. We knew one of the families featured and this couldn't have been further from the truth....the editing was cruel and just reinforced the English stereotype that the French seem to apply to all of us non-French.
However, it does sound as though the programme you are thinking about taking part in deals with a different type of subject, perhaps a little less intrusive, so it could be fun....and I suppose there is only one way to find out!