“Sweets and Sour Marge” is the eighth episode of Season 13. It first aired on January 20, 2002. The episode was written by Carolyn Omine and directed by Mark Kirkland. Ben Stiller guest starred as Garth Motherloving.
When Springfield is named the “World’s Fattest Town”, thanks to a diabolical scheme by the Motherloving Sugar Corporation, Marge takes it upon herself to rid the entire town of the sweet stuff.