Huell wants to find out why ever since 1938, Americans have been celebrating National Doughnut Day every first Friday in June. It was started by the Salvation Army to honor the women who served doughnuts to soldiers during World War I. In this special, Huell pays homage to the venerable doughnut. From a visit to the Salvation Army to get a history lesson to an Indian restaurant and finally the El Mercado in East Los Angeles, it's a day spent celebrating deep fried dough.