Richard Hammond and Amanda Byram guide 20 Brits through the perilous obstacle course. Richard Hammond and Amanda Byram welcome back favourites from the previous four series such as Man Mountain Syed, Rock God John and Total Wipeout's most famous couple 'Charlardo'. Plus the welcome return of Total Wipeout Record Holder Bouncy Jill - will she manage to better her own record of the slowest time ever recorded on the Qualifier?