Sunday

Seth takes his biggest stand to date when a 'roid-raging meathead threatens his father's safety. Then, Ashley surprises everyone with a brand new hire. She's confident this girl's a diamond in the rough, but Les and Seth aren't so sure. And later, Ashley discovers this new girl has been taking items from the jewelry case and is forced to challenge her. The confrontation erupts and Seth steps in to protect his sister and the family business.

Ashley faces danger head-on when a riled-up customer refuses to leave the store. Then, the friction may have cooled between Rich and Ashley, but when he screws up a major job for Les, Seth takes the heat. Unwilling to fail in his father's eyes, Seth takes Rich on in a face-to-face confrontation with neither man willing to back down.

Les hatches a plan to celebrate the store's 30th Anniversary. But when he drops the bomb on Seth and Ashley that they have to plan the biggest event in the business' history, everything starts to unravel. What was intended to bring the siblings together backfires, driving them even further apart. Then, in the midst of pure chaos, Les goes overboard when a customer tries selling him fake gold.

Richard brings in Gas Monkey's first-ever guest builder. Dallas hot-rodder, Brian Bass, joins the guys to build a '60s style hot rod out of a '34 Ford Coupe.

As the Monkeys and guest builder Brian Bass fall behind on their '34 Ford Coupe, Richard strikes a deal to feature the car in Hot Rod Magazine - if it's finished in time.

Richard and the Monkeys partner up with SEMA Battle of the Builders finalist, Big Mike, to build Gas Monkey's first ever import tuner, a '75 Datsun 280Z.

The Monkeys and Big Mike race to finish their '75 Datsun 280Z. But a missing part may stop Richard from debuting Gas Monkey's first-ever tuner car at SEMA.

It’s week 13 of the North Atlantic Bluefin tuna season and; with only three weeks left to fish; and the number one position on the line; every Gloucester captain is desperate to stack the deck with bluefin.

It’s week 14 of the Bluefin tuna season and with less than two weeks of fishing left; the top four Gloucester crews are locked in a tight race to be New England’s best Bluefin boat.