High Quality Content by WIKIPEDIA articles! "Principal Charming" is the fourteenth episode of The Simpsons` second season. It originally aired on the Fox network in the United States on February 14, 1991. In the episode, Marge`s sister Selma is looking for a husband, so Marge orders Homer to help her find one. Things go wrong, however, when Homer invites Principal Skinner over for dinner and Skinner instead falls for Selma`s twin sister Patty.