Ever wondered about the bits which seem to be missing from the programmes? You can view some of the previously unseen footage at
Click on "about the series" and choose the celebrity whose footage you wish to see. To the right of the text you should see a box which includes "unseen footage". Click on this and watch to your heart's content.
If your ancestor lived in the York area and it was possible that they may have been incarcerated in the Castle prison then this database may be for you. It has three sections and a good explanation of the database is on the site: