The story of the pioneers of information technology, the invention of the Internet, e-mail and the World Wide Web is told in the final programme in the series Web Story (Saturday, 9.55 a.m., RTE 1).

Flamboyant post-modernist architect Piers Gough is convinced that the future of architecture is locked up in the secrets of the past.

In The Shock of the Old (Sunday, 8 p.m., Channel 4) he sets out to show just how modern and radical buildings were in their day, stripping away the centuries of familiarity, enabling viewers to see their startling boldness.

Goldrush (Sunday, 9.05 p.m., Network 2) is the second programme in a series going behind the scenes of Olympic sports.

Outside the stadium, there is fierce competition to make as much money as possible from the performance of the athletes. The athletes are viewed as commodities, bought by sponsors, who fight among themselves to sign up gold medallists. The multinational shoe companies, Nike and Adidas, are competing for market share worth hundreds of millions of dollars. Goldrush looks at how doping scandals taint the industry.

Employers are finding it increasingly difficult to recruit staff and the highly educated workforce is getting choosier about work it is willing to do. The Toughest Job in Britain (Thursday, 8.30 p.m., BBC 1) goes on the job with an accident and emergency nurse and gives some insight into what may be exacerbating the current shortage of nurses.

The spotlight is once again on the Department of Social, Community and Family Affairs in The Department (Thursday, 10.00 p.m., RTE 1) and this week the programme looks at lone parents. In addition to the complex social needs of single parents, the Department attempts to deal with the financial needs and looks at current disincentives for going back to work and the State's responsibility to the children.