Sir Terry Wogan, Tess Daly and Alesha Dixon launch a spectacular party for Pudsey, as Alesha and the stars of Strictly Come Dancing get the party started with a dazzling show-opener. The magic is back as Merlin conjures up some wizard ideas for this year's appeal, and get ready for a world exclusive as the official Children in Need single is launched.A very important patient at Holby General raises the temperature for the cast of Casualty, Britain's favourite boy band JLS get pulses racing with a special live performance, and comedian Peter Kay makes an appearance. Plus, watch out for a unique bite-sized episode of Walk on the Wild Side.The stars of Hollyoaks rock TV Centre with their tribute to Queen, there is an exclusive sneak-peek at the Doctor Who Christmas special, and music from American superstar Taylor Swift.