TLC's 'Family S.O.S.': Supernanny Jo Frost returns to the unhappiest of homes

In her last TV incarnation for seven seasons as "Supernanny," British import Jo Frost arrived at American homes in a black, London-style hackney cab and set about helping the fried parents of manic, misbehaving toddlers establish some order and discipline. Frost dressed in a stern uniform -- children were clearly intimidated -- and dispensed the toughest sort of love; mostly she taught parents how to say no.