THE SIMPSONS: When Groundskeeper Willie is kidnapped to Scotland, Bart and the Simpsons follow — only to discover that what awaits is Homer's worst nightmare in the "Ae Bonny Romance" episode of THE SIMPSONS airing Sunday, Dec 3 (8:30-9:00 PM ET/PT) on FOX. Guest voices Chris Edgerly, Paul Higgins, David Tennant and Karen Gillan. THE SIMPSONS © 2023 by 20th Television.