One of the rare instances anybody makes a reference to the time. Night court session begins at 4:00 p.m. In the pilot, court is said to run from 5:00 p.m. to 1:00 a.m. This raises the question of why (and how) they are always scheduling dinners at 8:00 p.m., 10:00 p.m., ball games at night, the opera, etc., etc.,...
John Astin sings a line from the song "Quando, Quando, Quando" in Judge Stone's chambers, which is the second episode in the series that a cast member has done so. Harry Anderson sang a couple lines in Heart of Stone (1988).
Amanda Caswell's chauffeur, played by Douglas Blair, is credited simply as "Chauffeur" even though Amanda clearly calls him by his name in the hallway after meeting Buddy. His name is "Devon".