Twenty more contestants compete, tackling four physically demanding games on the purpose-built obstacle course in Argentina. Only three participants will make it through to the Wipeout Zone, where they will face a 45ft slide, rolling barrels and logs, a climbing wall, a giant spinning plate and a series of trampolines in their efforts to win a cash prize. And you thought the BBC couldn't top Hole in The Wall for razzle dazzle of a Saturday. Presented by Richard Hammond and the lovely Amanda Byram, who must be taking a break from front American shows for a spell.