This is the final guest appearance of Mrs. Councillor Nugent in the series.
Hyacinth: I'm about to give you something that could change your life.
Richard: My own key?
On the DVDs, this episode is titled "A Portrait of the Artist as a Hen-Pecked Man."
Hyacinth: (to Richard, about his filming) Nothing violent or distasteful; you're not Channel 4.-- refers to the BBC channel that tends to show alternative television fare.