Sue Ellen's height is revealed as 5'7 1/2" and that she attended the University of Texas at Austin.
J.R.: Why so sullen, Lucy? Don't you know rich folks are always happy?
German episode title: "Ihr Jahrestag", meaning "Their Anniversary"
The anniversary that the title of the episode referred to was the first meeting between J.R. and Sue Ellen at a beauty contest 14 years prior.