Sunday

The Golds have the opportunity of a lifetime when they stumble upon pieces of art that could be worth millions. But will they strike it rich or will they be left holding the bag? Seth gambles on a piece of Detroit history, and Ashley's patience is put to the test when dealing with a customer and his memories of his long lost cow.

Les hands out his biggest loan ever on a luxurious Rolls Royce, leaving Seth and Ashley concerned that the failed art deal may have messed with their dad's head! Will this latest gamble pay off or will another shady transaction leave Les' ego in tatters? Karen gets an impromptu lesson in martial arts, but can she strike a deal with her sensei? Plus, size really does matter when it comes to monster trucks.

When Les puts the kibosh on Seth's outlandish plan to boost business, father and son head to the race track to decide who's boss. Plus, Ashley shows off her haggling skills on a mannequin outfitted in bondage gear, but not before having some fun窶ｦat Bobby J's expense.

The Golds gear up to shoot a new commercial for the store which can only mean drama. All Les cares about is putting out a good product, but will everyone be happy with the final result? Plus the shop gets a handful of sexy, when a woman tries to find her perfect mink coat.

When Karen convinces Les to let her bring in a Feng Shui expert, will it boost sales and bring in positive energy? Ashley and Seth have some serious doubts. Plus, Seth gets an opportunity to buy a piece of Detroit Tigers history when a customer brings in four game-used bases from the 2011 playoffs.

Ashley and Les hit the road to get first dibs on a huge estate sale, but will they find treasure or fool's gold? Seth takes a custom Corvette go-kart for a spin but pumps the brakes on the deal when the 12-year-old owner tries to play hardball. Plus, what price is Karen willing to pay to get her hands on a piece of '70s movie memorabilia?

When Les gets a last-minute invite to give a lecture at a local business school, Seth takes the pressure off by writing his speech. Can Les pull it off? Or will Seth's words translate into a disaster? Plus, Ashley and Bobby J go to war over a collection of Nerf guns, and negotiations hit a fever pitch when a wannabe ventriloquist walks in with a dummy that bears a striking resemblance to one of the Golds.

Les questions Ashley's management skills after two employees get into a fight on the shop floor. Will Ashley succeed as a peacemaker or create an even bigger problem? Meanwhile, Seth stumbles upon what could possibly be the biggest memorabilia deal the store has ever seen, but will it tank?

Matt Adams rides a volatile load of bulls into a world of trouble. Yogi tests his patience to the limit and the Stephens Brothers battle the backwoods to rescue millions of angry bees.

Matt Adams hits his roughest ride ever. Macka McCready sails into stormy waters and the Stephens Brothers face a boggy battle to rescue their bees.

Brian Bass rejoins the Gas Monkeys as Richard plans to resurrect the iconic '92 Chevy 3500 Dually - known as the "Krew Kut" - to reveal at the Lone Star Throwdown.

Richard's plan to reveal the "Krew Kut" Dually at the Lone Star Throwdown hits a snag. With no top on the car, heavy rain forces the crew to change their plans.

Meet the fleet; as peak season begins and the adrenaline rush of "monstah" hunting hits Gloucester.