As Dave prepares for a new season of hunting gold, he gathers his team to go over the strategy in his playbook and looks back at lessons learned; not only does he reveal their new prospecting location, he makes a life-changing offer to his crew.

Dave's entire season comes down to the final 24 hours and a bold risk that threatens to shut down his operation and force him out of the gold game for good.

Dave faces a nightmare scenario when the ground he's mining goes cold and no one knows why; with his season hanging in the balance, the pressure mounts for Dave to get them back on the gold.

Dozer Dave bets his life savings that he can unearth piles of gold from an abandoned mine using salvaged equipment and a team of amateur miners.

Former "Gold Rush" miner Dave Turin sets out on his own prospecting for an abandoned gold mine to reopen; when an investor backs out, Dave has to decide if he's willing to risk his family's life savings on his ability to bring home the gold.

After a great start, thick clay in the pay dirt clogs the sluice, forcing Dave Turin and his crew to quickly troubleshoot the land and get the operation back on the gold.

Dave Turin and his crew kick off an epic new mining season in the historic hills of Montana; after a freak accident nearly derails their expedition from the start, they rally and find the first big gold of the season.

On the banks of the Missouri River lies a geological hotspot where gold runs with sapphires at the El Dorado Mine; with the owner focused on gems, Dave has a chance to take all the gold; it's down deep and he needs a lot of it to bring his crew here.

Dave and his crew scout out the Birdseye mine to see if their gamble will pay out.

Through the ghost town of Marysville, Mont., and in the woods lies a mine only one mile from the historic source of the gold; it's a treasure hunt to find the untouched ground, so if Dave can crack the old timers' code, it could change the game.

With one shot at a patch of virgin ground at Kit Carson Mine, Dave and Jason must decide whether hobby miner Dwayne is sitting on a fortune or whether the mother lode lies somewhere else.

Back where their gold-mining adventures began, "Gold Rush" alumni Dakota Fred and son Justin persevere in the face of long odds, risking their lives for a fortune they may never realize. Assisted by a team of intrepid divers, mountaineers and bush mechanics, the Dakota Boys explore the white water rapids of McKinley Creek in Alaska, diving deep in raging torrents with a suction dredge. Not only could one wrong move prove deadly, but the guys also face wild animals, extreme temperatures and hypothermia.

Although the state's mention in the title was dropped after the first season, Alaska still plays a major role in Discovery Channel's top-rated show. It follows gold miners, inexperienced as some may be, hoping to strike it rich in the wilds of The Last Frontier and beyond. For their first effort, a crew led by Todd Hoffman and his father, Jack, sunk $250,000 into their dream and came away with just $20,000 worth of gold. The dismal summer was filled with injuries, malfunctioning equipment and constant fighting among the greenhorn miners, yet their serious case of gold fever trumps any talk of giving up and leads to new operating plans in order to salvage their dream. The series also keeps tabs on the efforts of brash youngster Parker Schnabel, veteran Dakota Fred and longtime Yukon resident Tony Beets to hit the mother lode at separate sites.

Despite striking it rich mining in his home state of Alaska, "Gold Rush" star Parker Schnabel isn't satisfied. He's always wondered if he could follow in the footsteps of his forebears and take on the legendary Klondike Gold Rush trail. Wonder no more. In honor of his family -- especially his beloved grandfather, who always inspired him to push beyond his limits -- Parker attempts to mimic a journey that killed thousands of brave souls in the late 19th century. As winter closes in, he begins the trek across the Coastal Range and works his way to the fabled goldfields of the Klondike. He's joined by his foreman, Rick Ness; wilderness guide Karla Ann, who once worked with Parker as a rock truck driver; and cameramen James Levelle, who has known Parker for years.

In Discovery Channel's top-rated show "Gold Rush," gold miners, inexperienced as some may be, hope to strike it rich in the wilds of Alaska and beyond. Some dismal summers result, filled with injuries, malfunctioning equipment and constant fighting among the greenhorn miners, yet serious cases of gold fever always trump any talk of giving up and sometimes leads to dreams being salvaged. The companions series "The Dirt" presents the inside scoop on behind-the-scenes relationships between such miners as brash youngster Parker Schnabel and longtime Yukon resident Tony Beets, as the quest to hit the mother lode never stops.

Renowned gem hunter Guy Clutterbuck has put together an elite team to mine rubies, emeralds, sapphires and all manner of precious stones. The group of strangers -- an Aussie miner, an American engineer, an American gold prospector and explosives expert, and a British ex-Army mechanic -- risks their own money, time and reputations on Clutterbuck's promise of adventure, gems and big profits. Traveling from muddy pit mines of Madagascar to mountain caves of Colombia to the Arctic landscape of Greenland, the team takes on the elements, terrain, and even each other on their epic mission.

The gold rush in Alaska isn't confined to the state's precious ground. It's taking place on the sea ... or more accurately, on the bottom of the frigid Bering Sea. This series, from the creators of the Emmy-winning "Deadliest Catch," follows four gold dredges and their eccentric and driven crews who risk their lives to find as much gold as possible before winter sets in and it's too dangerous to dive. The custom-built rigs, some barely seaworthy, include an 80-foot barge run by the most successful gold dredger in Nome, Alaska, and a modified skiff that seats only two people.

"Yukon Gold" follows four gold-mining crews who have merely four months in Canada's wild Yukon to earn a big payday. Fighting an impossibly short mining season and with their savings on the line, they work against difficulties to dig the precious ore out of the ground. The crews battle mechanical breakdowns, the elements and 18-hour days under the midnight sun -- all because of gold fever -- and it keeps them coming back year after year for another chance to wager it all.

The producers of National Geographic Channel's hit series "Life Below Zero" are behind "Port Protection," which profiles individuals trying to survive way above the Lower 48. Surrounded by the North Pacific, Port Protection is a remote community tucked into the northwest corner of Prince of Wales Island, Alaska. The approximately 100 residents who call the rugged, unforgiving land home push the limits of survival, living an isolated and risky existence of self-reliance with no roads, government or law enforcement. However, they think the risk is worth the profound reward: a world of beauty with the security of community without the constraints of bureaucracy.