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Buyers go head to head at an airport auction, Jesse gambles on a mystery box and Scott and Chrissy battle it out over a jet-fuelled jewel.

With Sean as the captain, the biggest of the big-time bidders head to Marina Del Rey in search of true nautical treasures.

Our buyers throw down to win a locker packed with recreational equipment and what looks like a hidden tractor.

Scott shoots the moon on a bin that may cost him an arm and a leg while T-Money spies a prize that could send him straight to the top.

Desert Dan returns, T-Money marches to the beat of his own drum and Brandon and Lori battle for a bin in order to protect their territory.

Rick swings for the fences on some major league memorabilia, while Corey and Chum go to the end of the road authenticating a Boyz II Men jacket.

Henry Cole gets excited as he visits automobilia heaven and the three Junketeers come together to flog restored items.

Happiness is a Warm Laser Gun: Mary finally manages to find a vintage goodie in El Monte; Ivy uncovers decades-old family fun; while Darrell revisits a childhood pastime.

Jarrod finds the Party Locker he's always wanted, Rene discovers a new mobile business opportunity and Ivy's footwear makes a huge impact.

Ten survivalists enter the Arctic wilderness to battle for survival. Last one standing becomes Alone's first World Champion.

Part 1: Ten survivalists enter the Arctic wilderness to battle for survival. Last one standing becomes Alone's first World Champion.

A ceramic owl made by Pablo Picasso sends Rick cock-a-hoot. Meanwhile, Beatlemania takes over the shop as a Yellow Submarine poster arrives on the counter.

A special cowboy hat owned by none other than Ronald Reagan arrives on Rick's lap. Meanwhile, an eye-catching Pearl Jam painting causes a stir in the shop.

The shop travels back in time when a map from the late 1800s comes in. Meanwhile, Corey spots a killer Mustang for sale.

A vintage Harley T-shirt makes Corey go wild, while Rick and Chum head to California to take a peek at a mind-blowing Disney collection.

Mike and Jersey connect with real-life heavy metal hero Chip whose lifelong passion for steel mills has turned into a stockpile of industrial relics.

Four smiths must forge signature blades from the metal found in household items, before two smiths recreate one of history's most iconic sabres.

Ten survivalists enter the Arctic wilderness to battle for survival. Last one standing becomes Alone's first World Champion.

Part 1: Ten survivalists enter the Arctic wilderness to battle for survival. Last one standing becomes Alone's first World Champion.

Explore the Mary Celestia wreck, discover imperial relics from Iraq, a medieval man's remains and lost artefacts reshaping Native American history.

Explore Seahenge's timber circle, a Ukrainian canoe, ancient remains in a mudslide and a relic from Lake Mead's dry bed.