 The Simpson family visit Story Town Village , an amusement park for babies , as a special treat for Maggie . In the village , there is a petting zoo , where Lisa is enamored by a cute lamb . That night , Marge serves lamb chops for dinner , but Lisa is troubled by the connection between the dish and its living counterpart , and announces that she will no longer eat meat . In response , Bart and Homer mock her relentlessly . Reaction at school is no better ; when Lisa requests a vegetarian alternative to the cafeteria food , Principal Skinner labels her an " agitator " . The students are then forced to watch a Meat Council propaganda film , " The Meat Council Presents Meat and You : Partners in Patriotism " , starring Troy McClure , which portrays eating meat as a patriotic duty , and criticizes vegetarianism . Lisa is unimpressed by the film , but her classmates tease her . 
