Max's nephew Sam (brother of Louise) comes to stay for the day while Philip and Max try to fix a new Toy Rocket. Sophie accidentally wishes the house was like their old Dolls House and they find themselves at the Nephew's mercies as he plays with the Doll's House and its occupants. Note: The title of the episode is a reference to Our House, a song by the British band Madness. (thetvdb.com)