TV Guide Discovery Channel Monday

An old cage that can be a viable shelter is spotted near the last water source; Teal and Frank are successful with their bows; Wes encounters another crocodile.

Four survivalists must make it through 21 days on a remote Philippine lake and they are put to the test when they accidentally ingest a toxic substance.

When they get strong evidence of Bigfoot from northern California, Bryce Johnson, Dr. Mireya Mayor and Russell Acord investigate to uncover the truth.

Mireya and Bryce get strong evidence of Bigfoot's family; Ben interviews a waitress who claims to have had a terrifying encounter with Bigfoot.

When Mother Nature causes problems in their search for bedrock, the team seeks help from the late Fred Hurt; a job comes to a halt when a major dredge fails.

When Dustin sets his eyes on a boulder called Moby, he must attempt to beat Mother Nature when she decides to hold dear to the possible riches that lie inside.

AJ and Bryce fight for the top spot; Josh takes a reckless risk to rescue his season, endangering his life in a high-stakes bet; tensions and gossip rise.

The rivalry between AJ and Bryce intensifies; Josh stirs up drama; word gets around of AJ and Madi's breakup; Cole Hudson shows off his skills.

Bryce might be at the top, but Texas's big tire course isn't his strong suit; Megan seizes the opportunity to show off her big tire skills.

Mike takes a shot at making his own batch of bologna; traveling into Alaska, Mike is recruited to help repair an out-of-the-ordinary commode.

Mike's latest difficult and filthy job has him chasing geese by rounding them up together with airplanes instead of horses and dogs.

Mike delves deep to repair an aging manhole with liner in Murfreesboro; Mike teams up with a horologist and a priest to repair a historic clock tower in D.C.

Mike leaves for San Diego where he meets a tar rigging crew aboard the Star of India, the world's oldest merchant ship still in use.

Mike Rowe heads to Texas where he joins a company in the business of outdoor advertising, following the team as they battle the elements to install a billboard.

A man is caught smuggling an object that dropped from the sky and the carcass of a protected species; lawmen suspect a full-time mother is selling pills.

A wanted former teacher; gun parts are found hidden within two men's luggage; while at the border, a traveler's belongings are thoroughly examined by officers.

A lone traveler is questioned by officers and an inspection of his two large bags reveals coffee containers and something suspicious hidden in one container.

A Canadian man illegally takes a job with his uncle in the United States; a traveler is caught with cosmetic injectables hidden inside sugary treats.

An American band traveling to Canada has the wrong paperwork; a woman returning to the US has an arrest warrant issued for her, and she tries to flee.

Following the men and women of America's Customs and Border Protection Agency as they patrol the U.S.-Mexico border for terrorists, drugs and illegal weapons.

Cartel spotters find a particularly dangerous traveler crossing the border; a truck driver's cab holds a sinister secret; officers uncover a surprise in a car.

A man returning from Mexico requires an emergency Narcan dose; a family serve as unlikely smugglers of firearms south of the border.

Officers discover a hidden GPS tracker in a trailer; American citizens are pressed for answers when they accidentally arrive at the international border.

Following the men and women of America's Customs and Border Protection Agency as they patrol the U.S.-Mexico border for terrorists, drugs and illegal weapons.

Millions of dollars' worth of counterfeits are discovered; a woman is caught throwing drugs away; a stunning find is discovered hidden within a lowboy trailer.

A man returning from Mexico requires an emergency Narcan dose; a family serve as unlikely smugglers of firearms south of the border.

Host Forrest Galante investigates videos that capture bears breaking into cabins and homes, bypassing food and opting for booze and marijuana edibles.

Dustin and his team travel to Alaska in hopes of finding gold nuggets hidden deep beneath untamed creeks.