Mariah Carey, David Van Day and the Opus One Orchestra guest in the last edition of the series.
Gareth Gates performs the Comic Relief single and George Clooney is interviewed by Little Ant and Dec.
Kym Marsh and Madness perform. Little Ant and Dec interview Jennifer Lopez and Caprice features in the undercover.
Shania Twain performs her latest single 'Ka-ching!' and Little Ant & Dec interview the stars at the BAFTAs.
Tom Jones performs his latest single 'Black Betty' and Little Ant & Dec interview Chris Tarrant.
Darius performs his latest single, Will Young is interviewed and Jane Danson plays Human Darts.
In this edition Liberty X perform, Little Ant & Dec interview Kylie Minogue and Lorraine Kelly is the subject of the undercover.
Hugh Grant, Sandra Bullock and Westlife all guest in this edition.
Stars from Coronation Street, American Idol and Countdown take part in the fun in this edition.
Ant & Dec are joined by Kelly Osborne and The Nolans in this edition.