June 1 is Doughnut Day. (Damn. I forgot to buy a Hallmark Card) Krispy Kreme is adding to the sweetness of National Doughnut Day with a one-of-a-kind complimentary treat from Krispy Kreme®. On Friday, June 1 stop in to any Krispy Kreme US and Canada locations for a FREE doughnut of any variety. No purchase necessary.