In the first of a new series, Sam Nixon and Mark Rhodes host a festive special. Union J perform their single You've Got It All, while the Vamps go undercover to wind up two fans. A lucky audience member meets her all-time hero - or is it Santa? And CBBC stars Ben Shires, Naomi Wilkinson and Katie Thistleton drop in to the studio, where there are Christmas editions of Mum Pin Bowling and Rotation. Show less