The Simpsons (1989): Season 16, Episode 9

16 - 9: Pranksta Rap

After sneaking out of the house to attend a 50 Cent concert and getting nabbed by Marge and Homer, Bart fakes his own kidnapping, hiding out in Kirk Van Houten's bachelor pad, to prevent being grounded. It is up to Springfield's finest - bumbling Police Chief Clancy Wiggum - to save him. Inspired by an apparition of Barney Fife, Wiggum cracks the case, rescues Bart and is promoted to Police Commissioner, while wrongly-imprisoned Kirk becomes a lady's man among the felon-loving singles of Springfield.