Knockout rounds 1 & 2

• Reality

Episode overview

Jayne Middlemiss, Colin Murray, Wendi Peters, Simon Shepherd, Janet Ellis, Deena Payne, Iwan Thomas, Rav Wilding, Pete Waterman, Stephen K. Amos, Gemma Bissix, Shirley Robertson, Ian Bleasdale, Paul Martin, Tracy-Ann Oberman, Brian Moore, Saira Khan, Rosie Boycott, Michael Obiora, Joel Ross, Shobna Gulati, Dennis Taylor, Siân Lloyd, Jan Leeming and Joe Swift. There was also a week of Comeback contestants featuring Joe McGann, Marie Helvin, Linda Barker, Claire Richards, Rowland Rivron, Ninia Benjamin, Steven Pinder, Wendi Peters, Helen Lederer, Tony Hadley, Martin Hancock and Jeff Green

30 minutes