Chef Paul work on getting the right equipment and the company's burger times down in order to step into the fast-food market with their Express Model; the brothers disagree on the packaging of their own brand of retail beef.

The brothers plan to break ground on a new Wahlburgers in their hometown of Dorchester, Mass.; tensions rise when Donnie finds out that Paul made an executive decision on the Wahlburgers beef packaging without the brothers' input.

Mark hosts an NBA All-Star weekend party at their news addition, Wahlburgers-Sunset; a new technology allows the brothers to virtually pop up at any Wahlburgers location from anywhere in the world.

Paul heads to Big Cedar Lodge, where he gets a crash course in being an outdoorsman; Alma makes a signature Mother's Day cupcake for the restaurants.

In Pittsburgh, the new Wahlburgers faces a unique challenge when their sports team rivalries put a dent in the restaurant's success; Paul and Donnie fly out to try to build a bridge with the community.

In a no-holds-barred romp down memory lane, Mark, Donnie, Paul, and Alma recall the most hilarious moments over the last nine seasons of the series, "Wahlburgers."

As Mark arrives for the VIP party celebrating the opening of the newest Wahlburgers in Taylor, Michigan, a freak ice storm knocks the power out, and threatens to derail the festivities.

Over 15,000 fans greet Mark, Donnie and Paul at the largest grand opening in Wahlburger's history.