Bren - the late Prunella, rest in peace. How could I forget her re-telling the joke 'monkey man' had told her!
I’ve seen every episode a 1000 times and have the scripts. Not a wasted line, viz:- What do yo want me to do Sybil, put an ad in Country Life - For Sale; large rat [Sybil exits] answers to the name of Sybil.