Josh and Hayley are suddenly contacted by Santa Claus via the snow dome; Christmasland is in trouble again, this time it is not Mister Bigwig causing the problems it is a new villain called Professor Kringle. The only thing is both Josh and Hayley are now retired, they haven't been to Christmasland for many years. They answer Santa's call and much to the delight of the citizens of Christmasland they help Santa Claus.