High Quality Content by WIKIPEDIA articles! "Secrets of a Successful Marriage" is the twenty-second and final episode of The Simpsons` fifth season. It originally aired on the Fox network in the United States on May 19, 1994. In the episode, Homer fears he may be a little slow, so he goes to the adult education center. While there, he decides to teach a class of his own on the secrets of a successful marriage, since that is the only class he is qualified to teach. However, to keep his students interested, he is forced to tell personal secrets about his wife Marge, which she dislikes.