DMAX+1

The buyers have travelled to Allentown in search of old money. Items up for grabs today include rare Civil War-era objects from Gettysburg.

Vintage advertising pits the buyers against each other in Knoxville, where Sally spends big to win a dinosaur. Meanwhile, Billy's attempt at sabotage backfires.

After securing a lucrative claim, Shawn Pomrenke has a plan to become the leading miner in Nome. And, Zeke Tenhoff works on an ambitious sailboat.

Shawn unleashes the Christine Rose to try and find a lucrative riverbed. Vernon's new crew go for a test dive, but the practice takes a dark turn.

To increase gold production, the Gold Devils attempt to run three machines at once. The Gold Retrievers set a one-week ultimatum to find 10 ounces of gold.

Forrest returns to his childhood home in Zimbabwe searching for the extinct Cape lion after numerous sightings of a similar size lion with a black mane.

For the first time, Junior has to call on the chase boat to help rescue them. Plus, Josh and Casey hit a massive wave that causes major trouble.

Trouble is brewing when Bill's backup block goes missing. Cornelia Marie skippers Josh and Casey navigate a tenuous partnership at the Russian line.

Experts investigate reports of a secret alien base deep inside Alaska's highest mountain. Video evidence suggests extra-terrestrial activity in Fairbanks.

Josh Gates starts his extra-terrestrial search with a visit to NASA and an alien-hunting expedition in Chile, where scientists make new discoveries.

Josh is on Easter Island, where ancient alien theorists believe aliens visited millennia ago. And, he goes meteorite hunting in Zimbabwe.

Marty faces his most daunting challenge ever in the rescue of a Tennessee homestead. He calls on past homesteaders and a home renovation team to help.

Isaac from the Opal Whisperers works an abandoned, dangerous mine. The Mooka Boys are confronted by an irate miner as they peg a claim too close to his mine.

The Bushmen's drill rig loses a vital pin, forcing 74-year-old Les to undertake repairs four meters in the air. The Digi Diggers flooded mine wall collapses.

As a continent-size storm pummels the fleet, John and Andy fight to save their anchor and the boat. Plus, an orca befriends the Northwestern.

A storm threatens John's record-breaking run as Keith helps triangulate the crab. Jack braves treacherous tidal currents and chaos strikes the Wizard.

Dr Jeff helps Lola who needs major surgery on her kidneys and Dr Amy meets Bobo who's badly wounded after a cat fight. Animal control brings in a neglected dog, Juicy.

School is in full swing and in just a few months the students will be doctors. Adding to the stress they must first pass their final rotations.