Yönetmen : Morgan Spurlock Oyuncular : Morgan Spurlock, Daryl Isaacs, Lisa Ganjhu, Stephen Siegel, Bridget Bennett Senaryo : Morgan Spurlock Yapımcı : Morgan Spurlock, J.R. Morley

Spurlock, fast food'un insanlar üzerindeki etkisini görebilmek için, günde 3 öğün sadece ve sadece McDonal's'larda beslenmeye başlar. Yiyebileceği ve içebileceği şeyler sadece McDonald's menüsündekilerle sınırlıdır. 1 ay boyunca bu diyeti uygulayan Spurlock, kısa zamanda fiziksel ve psikolojik olarak etkilenmeye başlar. Daha ikinci haftada tüm sağlığı bozulan Spurlock, doktorların tabiriyle ölümle yüzyüze gelme tehlikesi altındadır. Several legal suits have been brought against McDonald's Restaurants that they are knowingly selling food that is unhealthy. Some of the court decisions have stated that the plaintiffs would have a claim if they could prove that eating the food every day for every meal is dangerous. As such, documentarian Morgan Spurlock conducts an unscientific experiment using himself as the guinea pig: eat only McDonald's for thirty days, three meals a day. If he is asked by the clerk if he would like the meal super sized, he has to say yes. And by the end of the thirty days, he will have had to have eaten every single menu item at least once. Before starting the experiment, he is tested by three doctors - a general practitioner, a cardiologist and a gastroenterologist - who pronounce his general health to be outstanding. They will also monitor him over the thirty days to ensure that he is not placing his health into irreparable damage.