February 25, 2012 • 50m
Christopher Biggins, Jon Culshaw, Monica Galetti, Lesley Joseph, Michel Roux Jr, Penny Smith, Joe Swash.
March 3, 2012 • 50m
Brian Blessed, Ben-Ryan Davies, Georgia Henshaw, Bill Oddie, Chris Packham, Claire Sweeney, Anthea Turner
April 28, 2012 • 50m
Edith Bowman, Rick Edwards, Esther Rantzen, Paul Ross, Dennis Taylor, John Thomson, John Virgo, Rebecca Wilcox
May 5, 2012 • 50m
Chuckle Brothers, Sherrie Hewson, Carol McGiffin, Katharine Merry, Arlene Phillips, Iwan Thomas
May 19, 2012 • 50m
Andrew Castle, David Coulthard, Jake Humphrey, Lucy Speed, Shaun Williamson, Aldo Zilli
May 26, 2012 • 50m
Matt Allwright, Sharron Davies, Dani Harmer, Ricky Norwood, Joe Pasquale, Lucy Siegle, Chucky Venn, Fatima Whitbread
June 2, 2012 • 50m
Antony Costa, Russell Grant, Christine Hamilton, Neil Hamilton, Helen Lederer, Liz McClarnon, Carol Smillie, Harriet Thorpe
June 16, 2012 • 50m
Angellica Bell, Lionel Blair, Konnie Huq, Colin McAllister, Steve Pemberton, Angela Rippon, Justin Ryan, Sam Stockman