TV Guide Discovery Channel Friday

K9 units identify paint cans and beer bottles filled with sinister substances; a man with a warrant for his arrest has a secret.

Officers lend a hand to a troubled 14-year-old in Laredo; authorities seize drugs smuggled through the mail; a nurse in Progreso is caught sneaking Fentanyl.

An elite team prepares for the extradition of a cartel hitman wanted for murder in his homeland; cartel runners seek to slip past the border.

A man with a statue of Santa Muerte causes suspicions amongst officers; an X-ray search reveals something suspicious in the fuel tank of a band's tour bus.

Teams of amateur racers take on the most terrifying courses and the biggest obstacles in soapbox racing history to date, with non-stop action.

When Kevin is on the verge of losing his cut, it sends him frantically searching for a crucial piece of equipment.

Rick risks flooding Rally Valley to haul in big gold nuggets; Tony's protege, Cousin Mike, attempts a risky plant move; Kevin's biggest machine goes down.

With Cousin Mike in charge of an operation, Tony decides to leave his son Mike in his care; Parker cuts out a huge ditch at Dominion Creek.

The discovery of oil completely transforms an Oklahoma town; crimes against humanity occur at a Cambodian school; a radar facility in Latvia.

Evil takes over a place of healing in Germany; a tin mine in the jungle is sought after; America's history with Mexico is apparent in a Texas complex.

A Sicily ghost town was once an organized crime hub; a Pennsylvania asylum stuns America and sparks a revolt; a kidnapping plot occurs in an Irish mansion.

A complex in Texas is the site of a deadly revolution; a dictator sought refuge in a facility outside Berlin; a link between the IRA and an aristocrat's estate.

Freddy and Juan assist an enthusiastic couple in their attempt to capture Colorado's elusive fine gold and garner a handsome profit.

A man and his siblings seek to strike it rich in Oregon, and a visit from Freddy and Juan helps them increase their gold haul; bonus content is added.

Freddy and Juan brave the Bering Sea to travel to Nome, Alaska, where they attempt to figure out why a floating wash plant is squandering gold.

Fred Dickinson enlists the help of Freddy and Juan to save his operation with the hope of tapping into one of the richest areas for gold mining in Arizona.

A typhoon brings monstrous waves and high winds to the west; Rick and Bob attempt to stitch a head wound in turbulent seas; John risks capsizing.

A knife incident occurs on the Northwestern; chaos ensues on the Confidence; The Wizard encounters a mechanical failure in rough seas.

Sig and Jake try a new fishing strategy while in treacherous waters; Rick and Sophia try a boat-to-boat transfer; the fleet mourns for fisherman Nick Mava.

Johnathan's plan to head for land is derailed when the Coast Guard boards the Time Bandit; Sig heads west to find a bigger biomass.

Sig moves fast when the Northwestern is hit with thick ice; an argument ensues when Keith's Australian greenhorn is challenged; Jake focuses on hauling pots.

The fleet makes a bold move when Kris decides to launch his crawler into record-breaking depths; Shawn must get heavy equipment through a rising river.

A British Columbia miner gets much-needed assistance from Freddy and Juan; the guys make a shocking discovery while searching for new ground.

Sig moves fast when the Northwestern is hit with thick ice; an argument ensues when Keith's Australian greenhorn is challenged; Jake focuses on hauling pots.

The fleet makes a bold move when Kris decides to launch his crawler into record-breaking depths; Shawn must get heavy equipment through a rising river.

A British Columbia miner gets much-needed assistance from Freddy and Juan; the guys make a shocking discovery while searching for new ground.

A fight between two crew members on Kevin's claim causes tensions to rise; Parker remains hopeful about the Bridge Cut paydirt; Rally Valley suddenly floods.

Host Mike McKinstry takes professional golfer Vicky Hurst on her first kayak fishing trip, afterwards, Mike tries his luck at the golf course.

Captain Jonathan Moss looks back at some of the most memorable moments of the season.