The Devil Wears Nada is the fifth episode in The Simpsons twenty-first season (The Simpsons (season 21)). It aired on the Fox network in the United States on November 15, 2009. In the episode, Marge (Marge Simpson) and a group called the "Charity Chicks" pose for a history-oriented calendar in hopes of raising money for charity, but Marge becomes the talk of the town thanks to her racy poses. Meanwhile, Carl (Carl Carlson) is chosen as the newest supervisor at the Springfield (Springfield (The Simpsons)) Nuclear Power Plant, and hires Homer (Homer Simpson) to be his personal assistant.

The episode was written by Tim Long and directed by Nancy Kruse. Since airing, "The Devil Wears Nada" has received mixed reviews from television critics. It was watched by approximately 9.04 million viewers during its original airing.