On Saturday, Aug. 23, participating Krispy Kreme stores will be celebrating a special House of Hogwarts day. Any Harry Potter fan who reps their favorite Hogwarts House will get one free original glazed doughnut without having to purchase anything, while supplies last.

Krispy Kreme is debuting its new ‘Harry Potter’-themed doughnuts based on Hogwarts Houses. Find out when the limited time only offer will be available and how to get them

The collection, called the Harry Potter Houses of Hogwarts x Krispy Kreme Collection, will be available beginning Monday, Aug. 18 for a limited time. The collection features four "enchanting doughnuts that bring the four Hogwarts houses to life through delicious flavors,