9.00pm Supernanny 3/8. Channel 4. Jo Frost really has her work cut out for her with 5-year-old Matthew, whose aggressive and violent behaviour often leaves mum battered and bruised. 1.15am (Thurs) Sign Zone: My Life as a Child. BBC1 Series in which children aged between seven and 11 were given a camera to record their life over several months. Thursday 1 September 8.00pm The Lost Generation. BBC Radio 4. Second of three programmes on the growing problem of Neets - young people not in education, employment or training. 9.30pm Comp. Pioneers. BBC Radio 4. First of four programmes charting the surprising and controversial history...