It's the day of the big event. Can ringmaster Karen pull it off without a hitch? Or will someone sabotage her efforts to impress her Uncle Les? And later, Ashley gives Les an ultimatum that could change the history of American Jewelry and Loan forever.

A customer's dunk tank inspires Karen to come up with a big idea for the shop. Seth and Les are on board, but will Ashley be down for the cause when she finds out what they have planned for her? Plus, Byron puts two hockey fans in the penalty box when they get physical over a vintage puck.

Les finally lands a buyer for his special edition Lee Iacocca Mustang, but loses his cool when he learns Seth sent the hot rod out on consignment. Can Seth get the car back in time? Plus, Ashley sniffs out a bad deal on a Pepe le Pew statue, and Byron shows a Rick James wannabe the front door.

When Ashley interferes with one of Karen's sales on the shop floor, a family feud breaks out. Les urges them to work together, but when Ashley's half-hearted efforts to mentor Karen almost result in a big loss for the store, Les has had enough. Plus, Seth gets quite the show when a rock metal group shopping for a guitar breaks out into an impromptu jam session.

Les hatches a secret plan to put his employees to the test, but how will Seth, Ashley and Karen react when they find out they've also been put under the microscope? Plus, a man in search of the perfect engagement ring ends up giving everyone road rage when he blocks the store parking lot with his truck.

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?

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.

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?