Homer Simpson; Marge Simpson; Bart Simpson; Lisa Simpson; Maggie Simpson; Grampa Simpson [Abe Simpson]; Santa's Little Helper; Mr. Burns [Charles Montgomery Burns]; Waylon Smithers; Milhouse van Houten; Martin Prince; Ralph Wiggum; Wendell; Uter; Sherri; Terri; Mayor Quimby; Chief Wiggum; Officer Lou; Officer Eddie; Barney Gumble; Hans Moleman; Blue-haired Lawyer; Otto Mann; Ned Flanders; Rod Flanders; Todd Flanders; Cletus; Brandine; Reverend Lovejoy; Helen Lovejoy; Krusty the Clown; Agnes Skinner; Principal Skinner; Moe Szyslak; Professor Frink; Groundskeeper Willie; Bumblebee Man; Kent Brockman; Dr. Hibbert; Patty Bouvier; Selma Bouvier; Apu Nahasapeemapetilon; Bernice Hibbert; Carl; Lenny; Dr. Nick Riviera; Rainier Wolfcastle; Mr. Teeny; Nelson Muntz; Dolph; Kearney; Jimbo Jones; Edna Krabappel; Snake; Jasper; Kent Brockman; Kirk van Houten; Comic Book Guy; Lunchlady Doris; Sideshow Mel; Sergio Aragones; Maude Flanders; Luann van Houten; Fat Tony; Mr. Legs
Synopsis
A battle between Upper Springfield and Lower Springfield over the water supply.