Cyberzone

Liverpool and Wimbledon footballers John Barnes and John Fashanu battle against two members of the Dangerous Sports Club. They visit the virtual worlds of the Medieval Citadel and the futuristic Technotraz.

World rally champions Louise Aitken-Walker and Tina Thorner accept a challenge. What does it take to survive the zone?

Olympic rowers Jonny and Greg Searle face a challenge from a team of Ranger Girl Guides.

Britain's Olympic synchronised swimmers Kerry Shacklock and Laila Vakil compete with two young Farmers from Norfolk, Shaun Groom and Nicola Crisp.

Athletes Tessa Sanderson and Colin Jackson meet a challenge from the Manchester fire service.

Olympic hockey medalists Lisa Bayliss and Jane Sixsmith are challenged by two volunteer adventurers from the Raleigh International organisation.

Olympic judo competitors Nicola Fairbrother and Ray Stevens take on the challenge of American footballers Greg and Warren Smart.

Olympic speed skater Wilf O'Reilly and fellow skater Matthew Jasper face serious competition from two VAT enforcement officers.

Two members of the Arsenal ladies' football squad challenge Olympic fencers Fiona Mclntosh and Kirk Zavieh.