Virginia offers to give Sabrina some much-needed cooking lessons. But when Jimmy proclaims that his wife's casserole is better than his mom's, it brings out Virginia's competitive side and she enters herself and her daughter-in-law in the Hot Dish competition. To ease the tension, Burt also invites his mother to enter the contest.

"Groce-letes" from around the world descend on Natesville for the International Grocery Games, where competitors battle for supremacy in the aisles of Howdy's. But when the American delegation is embroiled in a shocking performance-enhancing drug scandal, the Howdy's team, along with Burt and Virginia, must pick up the torch for the Stars & Stripes.