Discovery Channel HD

Competitors from across the globe battle for national pride and $200,000. Seven elite pairs from Australia, Brazil, Mexico and the USA enter the Olympics of Survival. Over 40 days in Africa's Zululand, teams must survive apex predators -- and each other.

Matt's team goes full hazmat suit to tackle a rat-infested hoard that is rumored to have cash hidden in every room, if the rats haven't eaten it already; the team also hunts for vintage Playboys, a rare samurai sword and original G.I. Joe toys.

At a hoard Matt's been circling for years, a genius inventor's pinball and jukebox collection could bring big sales -- but only if it's intact. Removing a 1980s waterbed costs time and money. Matt needs a hazmat suit to search a fridge marked as toxic.

Matt tackles a dangerous, ten-acre hoard in the Pennsylvania woods to hunt high-value guns and ammo; the old-school machinist's property is packed with heavy equipment and scrap metal, but $25,000 worth of precious metal could make a bet pay off.

Bryce Johnson, Dr. Mireya Mayor and Russell Acord scour North America in search of the cryptid known as Bigfoot; they return to northern California to explore compelling evidence and unlock this centuries-old mystery.

Dustin's return inspires a final push to get a life-changing pile of gold from McKinley Creek before winter freezes them out; Kayla calls one last Hail Mary play to reach House Rock bedrock payday.

Deep in the woods and bayous of Louisiana, wildlife agents protect the state's resources; a crab fisherman is caught stealing dozens of traps, a hunter crosses state lines with an illegal deer and agents rescue an injured bald eagle.

While using the LDWF's spy in the sky drone, agents track down a boat captain breaking the law in Plaquemines Parish; a family of shrimpers is investigated for pulling oversized nets; two feuding fishermen are suspected of being under the influence.

When an elderly man goes missing in a vast wilderness area, wildlife agents race to find him before nightfall; a tip leads agents to a haul of undersized redfish and anglers who refuse to confess; bloody evidence ties a trespasser to an illegal deer.

When wildlife agents find an alligator with a fresh bullet wound to the head, nearby anglers are the prime suspects; an injured hunter must be evacuated by helicopter; agents use drones to track crabbers selling their catch across state lines.

LDWF biologists undertake an explosive mission to help conserve Louisiana's wild turkeys; a suspicious deer skull points to a hunter flouting the law; more than 1,000 lbs of shrimp are at stake when a captain is caught in a major violation.

In Bristol County Jail, half of the cells don't lock. As changing demographics bring in more violent, gang-affiliated criminals, staff must manage a higher-risk population without the facility slipping into chaos.

Inside Butler County Jail, a six-term sheriff and his seasoned staff confront an unrelenting opioid crisis. As drugs flood the facility, officers work to dismantle the supply ring and maintain order.

Over-capacity and on the brink, Louisiana's Washington Parish Jail is spiraling into chaos; the new sheriff struggles to bring stability and control while facing the mistakes of the past.

In rural Leake County, Mississippi, a small jail battles a big meth problem; with repeat offenders entering the jail daily, local law enforcement works to break the cycle.

Officers discover an illicit load in a shipment of garbage bags; a U.S. Marshal exhibits some disorderly conduct; a woman previously imprisoned for trafficking meth is found with an excessive amount of pills; knockoff luxury goods are uncovered.

Officers in Hidalgo are forced to close the bridge when it's stormed by asylum seekers attempting to jump ahead of hundreds of people waiting to seek refuge in the US; a cavity search reveals a pill smuggler concealing meds in an unpleasant place.

When night falls, a different type of traveler crosses the border -- and cartel spotters are nearby watching; a truck driver's modified cab is carrying a secret commodity; officers find a surprise in a car that has never crossed the border before.

In their battle against the cartels, Customs and Border Protection flag a tractor-trailer transporting tanks of liquid methamphetamine; officers nab an exotic reptile smuggler; 36 pounds of cocaine are found inside a pickup truck.

A Scottish teenager claims that he's come to meet his girlfriend from a gaming website; when a couple arrives with a large amount of cash split into bundles, officers dig deeper and see that the man is under investigation by the FBI.

In Atlanta, an officer discovers evidence of a lottery scam -- a tactic used by criminals to trick victims into giving up thousands of dollars in exchange for alleged winnings. This find could lead CBP to uncover the network behind this nefarious ploy.

In Ohio, police fight to save the life of a woman held at knifepoint by a violent criminal. In Georgia, two repeat offenders lead police on a perilous pursuit, and in California, a Sheriff's helicopter unit battles to save a man clinging to a cliff.

Inside one of Nevada's busiest jails, deputies battle a non-stop surge of arrests driven by Reno's constant crime and a major trafficking corridor; with gangs entrenched inside, keeping rival groups apart becomes a daily fight for control.

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.

In Atlanta, an officer discovers evidence of a lottery scam -- a tactic used by criminals to trick victims into giving up thousands of dollars in exchange for alleged winnings. This find could lead CBP to uncover the network behind this nefarious ploy.