Documentarian Morgan Spurlock conducts an experiment, eating only McDonald's for 30 days, three meals a day, and having every menu item at least once. He is monitored by doctors and health experts to ensure his health doesn't deteriorate.

Super Size Me
Filmmaker Morgan Spurlock embarks on a 30-day journey, subsisting solely on McDonald's food to investigate the profound impact of fast food on his physical and mental health, shedding light on the profound effects of the fast food industry on society.