The Discovery Channel HD (Pacific)

A passenger arriving from Cairo has brought some extra carry-ons that interest officers; an American fashion designer returning from Paris fails to declare nearly $20,000 worth of luxury goods; a bag of snails from West Africa raises suspicions.

In Georgia, officers find a car in a ditch with no sign of the male driver; when they speak to his best friend, the investigation takes a turn.

Virginia Beach is a party town with a vibrant nightlife, making its Correctional Center one of the busiest city jails in the state. Here, some inmates arrive to go on vacation, then leave on probation -- and return on a violation.

A man arrives with what looks like multiple rounds of high-caliber bullets in his suitcase; when a K-9 alerts to a harmless box of kids' games, officers find more than they bargained for; Officers are alarmed by a traveler's strong-smelling soap.

In Maple Grove, Penn., Farmtruck and AZN pick eight local small-tire racers to compete for $5K; the winner gets a chance to take on legendary Street Outlaw Daddy Dave for another $5K in cash.

With winter closing in fast, Dave and Lance hedge their bets with a prospect in a historical mining district in the foothills of Mt. Denali. Back on the claim, the team faces obstacles from mother nature and machine, but break a long-time team gold record.

Stretched thin and off-pace, Jared watches a loader tumble down the road; foreman Brad attempts to land his plane in choppy weather, but is forced to shelter nearby; Barge Day arrives.

With pressure mounting after a disastrous first Forever Claim barge and the prospect of losing Float Camp, Jared brings in more crew, including a gamble on a new Fat Truck driver to boost production; Float Camp Claim races to end strong.

After the loader fire, Jared faces a new reality, wildfire threat; Adrian is tasked with reviving a rusted fire truck, while fallers fall high-dollar timber; when road damage shuts down their main haul route, the operation grinds to a halt.

Fire season shutdown is imminent and Jared's crew races to fulfill a barge of the summer; Chainsaws spark fires and when a blaze hits the Forever Claim, Jared must make a call whether to end the season early.

A Big Island family finds their off-grid paradise threatened by destructive storms and deadly pests; to save them, the Raneys must get creative.

Marty returns to Interior Alaska to help a single mother whose homestead is on the brink of ruin; with a quake-damaged water line and bears circling the property, he must act fast to protect the Adams family's animals and dream.

The off-grid dream of an Arkansas family spans three generations, they're struggling to make it work; a polar vortex hits mid-rescue and the Raneys must pivot fast to protect lives and salvage the homestead's future.

When the brakes fail on Mark and Huck's bootleg vehicle, their luck and their shine quickly hit rock bottom; Mike and Jerry cross police lines to get their shine back; Mark and Digger score a prized strain of wheat made famous by Kentucky's best bourbons.

Tim, Tickle and Henry confront the rogue shiners who torched their stash house; Mike and Jerry make liquor from candy roaster squash; but when they fail to return Mark and Huck's copper still cap, it's the mountain men who deliver their just desserts.

Mark and Digger team up with Josh to hunt down a police informant; Tim and Tickle plot revenge on shiners who destroyed $20,000 worth of their liquor.

Tickle makes tariff-free apple brandy to help resolve the shortage of American liquor on Canadian shelves; Mike and Jerry learn they're wanted men; Josh discovers the source of industrial ethanol that's fueling a glut of fake moonshine across Appalachia.

In the season finale, Tim enlists Tickle to smuggle tariff-free shine by airplane and rallies a band of fellow outlaws to take back his family's turf; Mark and Digger turn the law against a counterfeiter; Mike and Jerry push Mark Rogers past his limit.

A garage-built experiment turns a cultural icon, the Meyers Manx dune buggy, which makes car building accessible to the masses; however, its success unleashes a flood of copycats that nearly wiped out the very garage that started it all.

As people spend more time in cars, drivers crave the comforts of home; factory options like glove-box cocktail bars promise just that, though not all are created equal; join Jeff Dunham for a ride through the wacky world of factory options!