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When a lone driver avoids answering officers' questions, an X-ray reveals dark shadows along her car's floorboard, a sign she could be smuggling narcotics; a semi-pro boxer is detained after being flagged for having a warrant for his arrest.

Caddo Parish Correctional Center is struggling with a staffing shortage, the inmates outnumber the deputies by 180 to one; to ensure the safety of both inmates and staff alike, the Emergency Response Team springs into action.

Officers find a man and his family driving a suspiciously modified truck; a young man is caught with narcotics strapped to his body; a crosser is detained for having a record of smuggling an illegal migrant across the border.

When a young bus driver approaches the border without any passengers in his coach, officers suspect a smuggling operation may be underway; a man attempts to drive into the U.S. with a van full of goods loaded with more than just clothing.

Microfest is on; with the lineup set, Syko makes a big move to reconnect with Pinky on a brand-new match; in a brutal and bloody steel cage match, Lil Show and Hot Rod settle their score once and for all.

A busted dirt hauling bogger bucket threatens the Cheals' ambitions for mammoth back-to-back opal hauls; the Opal Whisperers partnership with veteran miner Uwe ends abruptly; Angel attempts her first opal sale at the Lightning Ridge Opal Festival.

Naked and Afraid returns this Sunday at 8 p.m. on Discovery!

Kevin is sent reeling when Parker shows up demanding the money he's owed; Parker discovers he's losing gold from a wash plant on Dominion Creek; Tony's son Mike puts new recruits through boot camp on Paradise Hill.

Forest fires threaten to shut down Parker's Sulphur Creek claim before he can get all the gold out. Rick decides whether to move back to Duncan Creek. Tony loses nearly $750,000 in gold fighting a wash plant issue.

Parker unleashes chaos as the team tries to get four wash plants running. Tony splurges on a new wash plant to get more gold. Kevin tries to broker a deal with his dad. Rick fires up at Vegas Valley.

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.

Mark, Digger and Tim judge as notorious still hands Howard; Huck and Kelly face off to determine which aspiring moonshiner makes the best corn liquor to win sheet copper and earn the title of Master Distiller.

In the first-ever combo competition, three craftsmen-distillers compete to build working stills from raw sheet copper while mashing in a run of liquor from scratch ingredients; with catastrophic failure at stake, winning comes down to the final jar.

Distillers compete to make a recipe created by George Washington himself.

In honor of all the past presidents who dabbled in distilling, moonshiners Josh, Howard and Kelly compete to make the best jar of a recently discovered presidential liquor recipe that was so tasty it may have led to the repeal of Prohibition.

Tim and Tickle bottle their first illegal run together in 14 years. Mark and Digger reintroduce their infamous hand-made corn liquor to the outlaw market, only to find their price undercut by a mysterious competitor. Josh gets a wakeup call about the law.

Mark and Digger reverse-engineer a counterfeit jar of shine that is flooding the outlaw market; when Josh discovers footprints near his still site, he reopens the underground bunker site he built a decade ago; Jerry helps Mike design a giant waterwheel.

Poised to bootleg their first tariff-free liquor to Canada, Tim and Tickle encounter armed opposition hellbent on torching their plans; Mark and Digger call on Amanda to confirm their suspicions, while Mark and Huck make the first dead drop of the season.

When Mark and Huck's shine stash vanishes, the hunt for culprits sparks explosive plans for revenge; Tickle and Henry create a snorkel kit to drive through floodwaters to their still site; soaring prices for aged whiskey tempt Mike and Jerry to defy time.

As trade wars cripple the liquor market, Appalachia's moonshiners invent new ways to meet the demand for tax-free booze; when Canada calls for tariff-free liquor, even legal distillers return to the outlaw side in a cross-border bootlegging operation.

Mark, Digger, and Tim judge as three former champions turn unlabeled canned goods into high-proof liquor. In a final-round twist, the judges take it full circle by challenging the finalists to transform their finished spirit back into a canned cocktail.