There's Christmas magic at the McQueens', but for Mercedes, the sparkle has faded... Warren turns up in full Santa costume to help spread festive cheer, but things don't go to plan. And a knock on the door grants Theresa's wish.

It's the first Christmas without Peri, but Leela's determined to give her children and Lucas the best day she can - which includes extending an olive branch to Ste. Meanwhile, as the carollers perform in the village, Pearl has something she wants to get off her chest.