Some Mothers Do 'Ave 'Em

Frank and Betty have moved out of Betty's mother's house and are now staying with Betty's brother, George. George is a very futuristic designer who has filled his house with weird remote-control gadgetry. They are expecting an important visit from Mr Fletcher, the head of a large building firm, who is interested in a demonstration of the mechanical devices in the house, so Frank is on his best behaviour(!) Whilst trying to use the mechanical toilet, Frank accidentally breaks the flushing mechanism. As you'd imagine, his attempts to repair this soon lead to the toilet brush, a ballcock and his slippers becoming wedged in the pan. By now water from the leaking cistern is seeping through the house and finding its way down to the control room in the cellar, where as you'd guess electrical controls are! The others attempt to prevent Mr Fletcher noticing the various mounting problems, but Frank is already at work trying to repair things. His efforts cause a major short circuit of the house's