The classic Christmas story of everyone’s favourite forgetful cat, Mog. It’s Christmas, and Mog’s house is full of strange noises and peculiar smells. The Thomas family is busy hanging holly and blowing up balloons, and where is that tree going... ? Mog is not happy. So she escapes to the roof, and there she stays... until, unexpectedly, she returns with a bump! Happy Christmas, Mog!