The Discovery Channel HD (Pacific)

Mike works his hardest construction job yet; he helps a team of rod busters, who carry 2 tons of reinforced steel each for overpass construction.

Mike Rowe helps cat ladies of northern Texas to fix a clowder of feral cats at a spay and neuter facility; Mike and his crew feel the burn as he processes peppers with the mad scientist inventor of the Carolina Reaper.

Mike Rowe crams into a hockey arena's escalator, where he scrapes and cleans a special kind of shmutz from the bottom; Mike and a zookeeper venture into the hot, treacherous Arizona desert at night to round up stinging scorpions.

Mike trains as a trauma surgeon, learning under simulated battlefield conditions; Mike helps to control iguanas on the Florida coast.

Master detailer Larry Kosilla turns a clean-freak obsession into a superpower, inventing cleaning techniques to transform forgotten barn finds and discarded daily drivers into high-dollar machines.

Captain Sig contends with a man overboard for the first time in his career; Johnathan comes up short on crab but sees the tide turning when thousands of porpoises guide the Time Bandit in a new direction; Jack tangles with Wild Bill.

Rick plows through Vegas Valley pay dirt and makes a big score, but an obstacle threatens to stall him; Parker's four-plant blitz stumbles; to keep his hot streak going, Tony pilfers more gear from his son Mike.

Parker drops the hammer as he tries to stop his gold slide; Rick makes a discovery that could end his Vegas Valley dreams; Kevin hires a new free agent and makes a big score at his new Sphinx Cut.

Rick makes a $1M call to open a new cut; Parker tasks Brennan with delivering more gold on Indian River; Tony re-engineers Paradise Hill's water system to get sluicing.

Tony's crew defects to Parker's side; Tony relies on inexperienced operators; Parker's new hires cause friction within the team; the group faces animosity as they open a new cut.

Tony blows up at Mike to get the trommel running; two of Rick's crew face off while trying to dig out Valhalla; Kevin leans on Buzz to get more gold.

Parker does the unthinkable to get all the Golden Mile's pay dirt; Rick's mechanic Ryan considers leaving; Mike Beets finally fires up the trommel on the hill.

Rick's shaken by his find at the bottom of Valhalla; Tony bears down on his 6,500-ounce goal; Parker taps Brennan for a big job at the Golden Mile.

Tony spends millions on a new piece of ground for Mike; Parker buys a Golden Goose to turn the season around; Kevin struggles with a recent hire.

Rick returns to Vegas and gets a proposition from Parker; Tony hunts for missed gold in the Hester Cut; Parker's crew loses a truck at the worst time.

Parker brings Sluicifer out of retirement for a big week. Rick prays that Vegas Valley still pays out big. Kevin staffs up for the final push.

Tony guns for over 1,000 ounces in one week. Parker buys a new toy to open even more ground. Rick's crew burns through pay following a hot streak.

Parker and Tony both try to bust through the 10,000-ounce barrier; Rick tries to get the Last Chance cut open before he runs out of Vegas Valley pay dirt.

Parker battles Tony in an intense showdown for the year's top gold haul; Rick grinds at Lightning Creek and expands his operation to save his season.

Parker and Tony set 13,000-ounce gold totals, sparking a battle to see who can mine the most and reigniting an old feud; Rick faces health issues and an uncertain future; a new player enters the Klondike fray.