Sooty and Scampi won't let Soo and Sweep into their bedroom so Soo goes and tells Matthew. Matthew gives them a periscope and they got to find out what's going on, but Sooty paints it before Soo and Sweep can see, So drill through the roof and then fall through it! Sooty has created Solid Water! Then, they decide to play a few tricks on Matthew, also Soo makes it snow inside and they have a surprise visit from Connie Creighton as Mother Christmas. Matthew decides to show Connie the Solid Water but the magic has worn off, and tips a bucket of water of Connie, but then she gets her own back.