The Discovery Channel HD (Pacific)

A former member of the Amish and an Australian fitness coach attempt to survive 21 days together in the harsh Colombian jungle.

In this all-female tribe's challenge, two veteran survivalists return to mentor two newcomers on the perils of San José Del Guaviare, Colombia, for 21 days; scarce food resources and torrential tropical storms take a quick toll.

Two city slickers from the urban jungles of New York City see if they have what it takes to survive for 14 days in South Africa; the rough terrain, extreme heat and elusive resources could prove more challenging than they anticipated.

The fight heats up as rivalries flare; Bryce battles for first place as AJ impresses in his SXS debut and a truck driver makes a splash.

The stakes have never been higher as rivalries intensify and chaos erupts; Bryce and AJ's bitter feud reaches a boiling point; Josh enters a high-risk cash grab event to turn his season around; cheating allegations turn the racers' world upside down.

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.

A suspicious man fleeing on the levee after dark puts wildlife agents in danger; a first-time bowhunter could lose his kill over a major violation; agents question a duck hunter with an attitude who seems to be hiding something.

A suspicious driver leads wildlife agents on a high-speed chase through a national forest; goose-hunting guides are caught in a repeat offense; a routine stop turns treacherous when a suspect is discovered concealing a firearm.

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.

Tizzy investigates complaints of a serial tip jar thief; a woman goes on a tirade in a parking lot; the police sort out a cyclist's accusations against a motorist.

Tizzy investigates a frightening confrontation between a man and a pair of Beverly Hills reality show stars; a woman allegedly pepper sprays another driver for going too slowly, and a delivery person busts up a Taco Bell.

Tizzy investigates a driver who violently assaults a teenage boy riding a bike; a customer catches a brazen shoplifter, and a woman nearly runs over her boyfriend at a gas station.

Tizzy sparks an internet movement to end a woman's racially charged harassment of her neighbors; a parking lot guard is targeted by a driver; a disgruntled customer wrecks a GameStop.

Tizzy tracks down a pipe-wielding road-rager who violently attacks cars and threatens drivers across Los Angeles; a woman is caught on camera shamelessly defecating on a car, and an enraged man makes off with a tow truck, wreaking havoc through the streets of New York City.

Tizzy tries to identify a man filmed pulling a gun on skateboarders; a road rager who reportedly used his coffee cup as a weapon is identified by his tattoos; a confrontation over a car charger leaves a woman seeking Tizzy's help.

Two UK women are questioned after one of them barely resembles her passport photo, and the officer suspects her documents are forged; a man returning home from an antique coin auction provides an officer with an ancient history lesson.

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.

Air cargo officers investigate a drug-smuggling operation that uses the postal service to export marijuana abroad; when vials of a mysterious powder arrive from China, officers suspect they may be dangerous counterfeit clinical skincare injections.

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.

Mexican cartels earn up to $40 billion annually from trafficking drugs like cocaine, fentanyl and meth into the U.S. Every day, they try to get that cash back home, or all of their illicit work will be for nothing -- but CBP officers stand in their way.

After a gunfight, Jeremy Parnell is found dead. Detective Katie Roszkowski, leading her first homicide case, uncovers a party bus incident; with few witnesses, she must discover what happened when partiers left the bus and why it escalated to murder.