Secrets of a Successful Marriage

Phil Hartman as Lionel Hutz

"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, leading up to Homer getting kicked out of the house.

The episode was written by Greg Daniels and directed by Carlos Baeza. It features cultural references to the plays Cat on a Hot Tin Roof and A Streetcar Named Desire, and the films ...And Justice for All, A Few Good Men, Patton, and Chinatown. The episode has been analyzed in books such as Leaving Springfield and Education in Popular Culture. Since airing, the episode has received mostly positive reviews from television critics. It acquired a Nielsen rating of 9.8, and was the second highest-rated show on the Fox network the week it aired.

After Homer realizes that he is "slow", Marge recommends that he take an adult education course at the annex center. Down at the center, however, Homer changes his mind and decides to become a teacher. He talks to the administrator and accepts an opening to teach a class on having a successful marriage. Despite being confident that he can pull it off, he is frightened on his first day and is unable to help his pupils with their relationship problems. The class collectively gets up to leave, but when Homer mentions his conversation with Marge in bed, the class decides to stay, eager to hear gossip. Marge soon discovers that everyone in town knows her personal secrets, reacting by confronting Homer about it and he promises to stop. He instead continues telling her secrets anyway. Homer then takes the night off teaching class by having his class observe the family over dinner.