FREE Dunkin’ Donuts Donut Fries Order On July 13th 10AM to 2PM (Select Locations) The first 100 guests at 25 participating Dunkin’ Donuts restaurants across five U.S. markets, will receive a free order of Donut Fries from 10am to 2pm local time on National Fry Day, Friday, July 13. ... John 'Samples' Clark Jul 13, 2018 Read More Advertisement