CBBC favourites Lindsey Russell and Sam and Mark are joined by head judge and former Pussycat Doll Kimberley Wyatt and two new experts - the founder of Flawless, Marlon 'Swoosh' Wallen, and actor and winner of Dance Dance Dance Jonny Labey. They travel all over the country to find just one performer who has what it takes to appear on the Canadian hit TV series The Next Step.