What is the catch for consumers as companies clamour to provide Internet services for free? The Money Programme (Sunday, BBC2, 7.30 p.m.) investigates.
John Bowman talks to people about Ireland through the 20th century in Witness (Sunday, RTE 1, 10.40 p.m.). This is the first in a series leading up to the Millennium. This week's guest is Victor Griffin, former Dean of St Patrick's Cathedral in Dublin. Future guests will include Ken Whitaker, former Governor of the Central Bank.
Viewers' e-mail is flooding in to reporter Kate Humble as she travels across Europe as part of WebWise (Monday, BBC2, 7.30 p.m.). The interactive series aims to get people more familiar with the Internet.
Now that weight is a problem in the industrialised world, diet food companies are happy at least. This socio-economic documentary, Fat (Tuesday, RTE 1, 8.00 p.m.), examines the issues.
Britain's Richest Kids (Tuesday, UTV, 9 p.m.) meets teenagers who have made a fortune through enterprise. Included is an 18-year-old car dealer who sold his first Porsche at 11 and a computer whizzkid who has developed a £12 million (€18.14 million) idea.