Final episode in this series which has focused on individuals who are just mad for cleaning, seriously, they can't get enough of it. You'd love to invite them round to your gaff and just leave them with a bucket and a mop. Tonight sees three participants show how they ensure they have a tidy Christmas, with one lady Lynsey even throwing away her children's greeting cards when they're not looking. Aww. Another fella called Mark has to make sure his decorations are evenly spaced while Amanda steam-cleans her tree before spraying it with an antibacterial product. Crikey, maybe we wouldn't want this lot in our home...