"Radio Bart" is the thirteenth episode of The Simpsons third season. It was first shown on the Fox network in the United States on January 9, 1992. In this episode, Bart gets a microphone that transmits sound to nearby AM radios. To play a prank on the people of "Springfield", Bart places a radio deep inside a well and uses the microphone to trick the town into thinking a little boy is stuck in it. At first his trick worked, but soon realizes that he left a "property of Bart Simpson" label on the radio and goes to get it. Bart becomes trapped in the well and while the town decides to leave him there after finding out about the prank, his father Homer tries to rescue him.