Philomena Cunk is on a festive mission to track down the true meaning of Christmas, and find out exactly what it wants. It's an insightful documentary which takes her on a journey from pagan winter festivals and the nativity story, via 'Sir Charles Dickings', all the way up to today's obsession with Santa. Along the way Philomena will be grilling a variety of experts, trying to expose the truth about Christmas, such as why people still put up with 'brussels sprouts'.

• Comedy