Neil Mitchell shopfits the old charity shop at No.2. Derek refuses to dance to Harry Potts's tune. He intends to seek out his weaknesses. Reg hopes that the quiz will bring him closer to Bet. Curly points out to him that he has no general knowledge so Reg volunteers him as team captain. Doug asks Deirdre out for a meal. She admires his persistence and agrees to meet him for a drink. Bet becomes alarmed when Reg makes it plain that he finds her attractive. Curly asks Neil to build an observatory in the loft of No.7. Kevin is puzzled when a man, Mr Allott, hangs around the garage asking for a Dave Matthews. He feels sure that he means Doug. Doug sees the man and disappears. Curly tells Kimberley that he's building a room in the loft, she thinks it's a third bedroom and is thrilled. Derek plans a campaign to de-stabilise Harry.