Sunday

When Ashley snags a deal away from Les right under his nose, the family decides to hold a father daughter sales competition, with Seth as the judge. Can Ashley hustle hard enough to beat her father, the master? Or will Les sound the alarm on a huge last minute deal for the win? Plus, Bobby J goes for a dangerous ride he won't soon forget, and Seth calls in a favor from an old friend when some creepy Friday the 13th merchandise comes through the door.

When Seth needs help in the online department, Les volunteers Ashley - who immediately oversteps by putting a rare Olympic torch from Seth's personal collection up for sale. When the item goes MIA, all hell breaks loose with the store's reputation and a lot of money on the line. Plus, Les gets his hands on some petrified animal anatomy that he may wish he never picked up and helps a tongue tied customer negotiate a sweet deal on a creepy Gothic Hope Chest

After tearing through the online department, Ashley has to face the consequences when her rash instruction leads to the destruction of an important shipment.Plus, Seth takes a ride in a hovercraft, and Les puts up his dealing dukes to do business with Muhammad

A valuable guitar strikes a special chord in Seth, a customer tries to buy a fancy watch with questionable coin, and Les does a deal - with his doppelg?nger?

When Seth has just five minutes to bid on a valuable sports card auction, he takes a shot - without telling his Dad. But when the big boss finds out he spent thousands without a word, Les throws down the gauntlet - sell everything in a week, or pay out of pocket. Will Seth be able to make the sale? Or will he lose his shirt? Plus, Ashley tries to make a deal with a dancer on a Chinese Dragon, and Les challenges some college boys to go shot for shot with potent Snake Wine.

It’s make or break time for Aaron’s crazy Scat Pack Challenger transplant scheme, as Richard’s potential buyer will only be in town for one day, and if the build isn’t finished by then, Richard could potentially be saddled with two worthless cars.

Richard’s big gamble of bringing seven cars to this year’s Barrett-Jackson auction in Scottsdale, Arizona, is put to the test, as Aaron makes a pit stop in Las Vegas to oversee team Gas Monkey’s NHRA Top Fuel dragster.

Richard buys a ’78 Cutlass so Aaron can build Gas Monkey’s first ever lowrider, he only to discover that Aaron’s plan to create custom hydraulics is something he’s never attempted before.

As Richard heads to Houston to check out Gas Monkey’s top fuel NHRA dragster do some racing, the Monkeys need to do some racing of their own to finish a custom lowrider paint job on the ’78 Cutlass in time for the car’s debut.

With less than four days left in the season, the fleet races to claim the title of top-earning boat, but with two captains sidelined, it’s anyone’s game.