Series 1

Chris Kamara, Rachel Riley, Stacey Solomon

This week's challengers are Chris Kamara (Ninja Warrior UK), Rachel Riley (Countdown), and Stacey Solomon (X Factor).

Dennis Taylor, Kym Marsh Lomas, Rav Wilding

Denise Welch, Ed Byrne, Amir Khan

Coolio, Matthew Wolfenden, Jenny Eclair

Simon Gregson, Ricky Tomlinson, John Thomson

Jane McDonald, Rosemary Shrager, Louie Spence

Rylan Clark, Debra Stephenson, Colin Baker

Jennie McAlpine, Pauline Quirke, Shaun Williamson

Brian Dowling, Ruth Langsford, Eamonn Holmes

Sue Cleaver, Matt Johnson, Anna Watkins

Britt Eklund, Sherrie Hewson, Robin Cousins

Liz McClarnon, Dan Whiston, Keith Duffy