Gold Rush: Grandpa's Down
After his return from the Klondike, Parker Schnabel receives the devastating news that his grandfather John has suffered a life-threatening heart attack.
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Gold Rush: Widow Maker Clean Out
John Schnabel makes grandson Parker clear out all the overhanging trees - nicknamed "widow makers" - that stand over the new dig at Smith Creek.
Gold Rush: The Buckets
At the Big Nugget mine, teenage-boss Parker Schnabel gets a painful history lesson as he goes searching for a pile of gold hidden under mining equipment destroyed by flooding a century ago.
Gold Rush: Schnabel Family Backup
Desperate for new pay dirt, Parker Schnabel has to call in three generations of Schnabels to help build a road to the virgin ground.
Gold Rush: Grandpa John Returns
Just days after his heart attack, John Schnabel returns to the Big Nugget mine to check on the progress of Smith Creek Hill.
Gold Rush: Wash Plant Death
Off his game with bad cold, Dustin Hurt accidentally drops a huge boulder on the wash plant that knocks it out of action.
Gold Rush: Glory Hole Farewell
Jack Hoffman drops by Porcupine Creek to check out Dakota Fred's changes and gets one last look at the glory hole that cost him so much effort last year.
Gold Rush: Parker's Family Mining
Young Gold Miner, Parker Schnabel, recounts both the benefits and challenges of working with kin when he took on the Smith Creek mine. He also describes to Christo one of the most important role-models in his own life.
Gold Rush: Derocker Down
The Dakota boys just can't catch a break, as their derocker breaks down while they're running at top speed to make up for lost time.
Material Marvels: Shape-memory Alloys
Shape-memory alloys are used in everything from space exploration to dentistry -- but how could metal have a memory? Tune in as Dr. Ainissa G. Ramirez, Associate Professor of Mechanical Engineering & Materials Science at Yale, explains. www.seas.yale.edu
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Bering Sea Gold: What Is Gold?
After The Dredge host Thom Beers brings in UC Santa Barbara scientist Doug Fischer to help explain exactly what gold is and where it originates.
Bering Sea Gold: Wild Ranger Reckoning
The Wild Ranger crew's reunion comes to blows as Steve Riedel pushes Scott Meisterheim's buttons and owner Vern Adkinson hurls accusations at his former captain.