Mavis is annoyed to receive an invoice for the stationary. She contacts Derek and demands he sorts the mess out. Brian tells Terry that it'll cost £280 to replace the van's clutch. Terry tells Curly they'll have to use his telescope money. Derek tells Mavis to ignore the invoice but she could give him a cheque just for appearances. He promises to reimburse her. Gail redecorates the house. Brian assures her that he has no intention of taking Liz Turnbull to York. They both realise they're going to have to accept the other's partners. Curly tells Emily he feels obliged to use the money on the van. Rita tells Mavis that she's as bad as Derek. There's only one way to deal with him - return the order