30 Minutes

New series of current affairs reports, beginning with an investigation into food companies which target children in their advertising campaigns, and have started approaching cash-strapped head teachers with lucrative sponsorship deals. Nick Cohen reveals that by the year 2020, one child in three will be clinically obese, putting an intolerable strain on the NHS. He assesses how a lack of Government intervention and regulation today could lead to a health crisis in the near future as serious as smoking.

In an age where people are living longer and financial crises can hit the market at any moment, economics correspondent Liam Halligan examines the popularity of final salary pensions. Regarded as the most secure of methods, he reveals an alarming, little-known fact - those who pay money into these schemes have no legal right to the cash.

Sam Kiley reports on the true value of degree qualifications in the eyes of employers, and considers claims that Government pressure to educate the highest possible number of students has prompted a sharp drop in standards. He reveals how many companies no longer see graduate employees as the cream of the crop, and reveals why the downturn has prompted many educational establishments to offer more unorthodox courses.

Former BBC journalist Andrew Gilligan reports on the effectiveness of the British spy network in an age where intelligence has become crucial. He reveals that, despite failing to predict every major international event in 25 years, the service is shielded from in-depth public scrutiny.

Martin Lewis investigates the boom in insurance such as critical illness cover and asks whether consumers are being sold financial services they don't need. He reveals that an estimated 6.5 million Britons are paying out £2.4billion in annual premiums on policies that are not necessarily suitable. To test the theory, a journalist goes undercover as a first-time buyer to discover how financial advisers sell these complex products.

Reporter Dea Birkett meets parents wrongly accused of abusing their children, and talks to them about the trauma of seeing their youngsters being taken into care. She reveals how this often happens on the basis of a single doctor's opinion, and confronts one of the men at the centre of a GMC investigation.

In the last episode of the series, Zaiba Malik reports on why waiting lists of more than two years have given rise to the new British trend of fertility tourism, in which would-be mothers travel the world in search of donated eggs. One in six women in this country suffers problems with conception, and in light of this, Malik assesses the system that drives such vulnerable people to risk their health and finances on a desperate quest.