Donuts with a Cinco de Mayo theme are prepared. But first, bakers from Colorado and Georgia vie against the operator of a South Carolina vegan food truck in a "mystery ingredient" elimination round.
Donuts, with a retro diner theme, are made in a battle that starts off with a "mystery ingredient" elimination round, that pits a donut-maker from Hamilton, Ontario, against a Los Angeles pastry chef and an executive chef from Chicago.
Donuts with a Canadian theme are made following a "mystery ingredient" elimination round featuring competitors from Kalamazoo, Michigan, Montreal and Toronto.
Donuts, with a high-school cafeteria theme, are made. But first, donut makers from Virginia, Oakland and Vancouver take part in a "mystery ingredient" elimination round.