"The Gun Song" is the 86th episode of the ABC television series, Desperate Housewives. It is the sixteenth episode of the show's fourth season, and the first half of the two-hour season finale. It aired on May 18, 2008 in the United States.

Susan's mother and aunt visit her at the hospital, Lynette plots revenge against Tom, Gabrielle becomes increasingly obsessed with getting Grace back and Bree wants to be friends with Beth.