Season 3 Episode 1: At the beginning of this episode when Carolyn walks in on Orson cleaning up, and asks where Alma is, the parrot replies, "Orson no, Orson no!" This is a reference to Kyle MacLachlan's former role in the series "Twin Peaks" when during a murder investigation, a clue is given by a bird named Waldo screeching, "Leo no, Leo no!"
In series 1, Richard Roundtree appears as Mr Shaw, who works for the Hafts Detective Agency. "Hafts" is an anagram of "Shaft" who was played by Roundtree in the 1971 film of the same name.
In Episode 3.20(Gossip), during Traver's birthday party, when Gaby is talking to Lynette and Susan, you can see Edie's house. It usually has a bay window upstairs above the porch, but in this view has instead got two small sash windows in its place.