Models Close Up (Saturday, 7.00 p.m., Channel 4) charts the rise of the model from unknown teenager to lucrative commodity.
The world's 41 poorest countries owe $209 billion (€200 billion) and Comic Relief's Debt Wish (Saturday 12th, 10.40 p.m., BBC1) is raising funds for a campaign calling for the cancellation of this debt. Performers include Rowan Atkinson, Lenny Henry and Steve Coogan.
Huge riches are promised to companies funding the research into identifying the nature of human genes. The race is on between the leading scientists to crack the code. Nils Blythe on The Money Programme (Sunday, 7.30 p.m., BBC2) questions whether drug companies should be permitted to reap the rewards of their huge investment by turning ground-breaking research into commercial property.
Jonathan Aitken the former Privy Councillor and Cabinet Minister earned a criminal conviction for perjury. The Real Jonathan Aitken (Sunday, 8.00 p.m., Channel 4) assesses his downfall.
The conflicting demands on rural land from leisure and tourism are the subject of the series Ce leis an tuath? (Tuesday, 7.00 p.m., TnaG).