In Sickness and in Health Season 5 Episode 9
Storm
The happy couple discuss their forthcoming wedding, a marriage of convenience in every sense as they intend to each remain in their own flat and the bride has no desire for sex,despite Alf's boasts about his youthful prowess. That night a terrible storm dislodges a box of money Alf has been hiding in the chimney. To Alf's annoyance Mrs Hollingbery claims half of it.