TV Guide National Geographic Channel Wednesday

Margot, Matty, Billy and Emile and Gilbert negotiate some early, pre-winter challenges as they begin work on their new Northern homesteads.

Margot, Matty, Billy and Emilie and Gilbert step up their efforts to finish their homesteading projects before the harsh, Canadian winter sets in.

The harsh, northern winter has arrived, forcing young Canadians to take on a whole new set of icy, backwoods challenges.

The NWS homesteaders face off against the harsh and unforgiving northern winter as they battle to survive and thrive in the vast Canadian wilderness.

Locked in the depths of a harsh and unforgiving Canadian winter, the NWS homesteaders look to the land to help them replenish much-needed resources.

This is a planet on the move, animals in every landscape are embarking on epic migrations in search of food, shelter and love.

A Seattle dealer called "Gator" and a user called "Ozu" talk about crack; a once-successful entrepreneur reveals how crack destroyed his life.

The number of users of the extra-pure, extra-strong variety of MDMA known as "molly" is skyrocketing as electronic dance music grows in popularity.

In 2012 Colorado became one of two states to legalize the recreational use of marijuana; gang members are feeling competition from newly legal dealers.

Progressive Portland, Ore., has become a haven for the homeless, and many of them choose drug dealing as an occupation; the police go undercover to stop them.

A North Philadelphia addict sells clean needles; an HIV-positive user tests heroin for wholesalers; a ridealong with two Philly cops.

Nashville's musicians often turn to selling drugs; a meth user covers his costs by cooking and selling it; a task force cleans up after meth cooks.

As New York City counts down to New Year's Eve, drug gangs shift into high gear in order to meet the extraordinary demand for their products.

Phoenix is under the control of Mexico's powerful, ruthless Sinaloa Cartel; the head of the sheriff's dedicated drug task force talks.

Police seize a large cocaine shipment; a couple face separation.

Police struggle with a psychoactive plant khat raid; legs are wrapped with cocaine.

Police discover cocaine in human feces; a family faces deportation.

A bass guitar is made of cocaine; a man turns himself in; a fake passport is used.

Cocaine and betrayal; ecstasy for Latin America; police detain officer.

Police face a case involving movie film, a pastry exhibit, and cocaine.

An elderly American man is in possession of cocaine; a fake passport is used in the hopes of gaining asylum.

Caribbean Air and Marine Operations agents arrest a smuggling ring and seize 1300 kilos of cocaine.

American Maritime Officers seizes $8 million worth of coke; dollars' worth of cocaine; Homeland Security Investigations foils a port smuggling operation.

AMO agents discover over 80 kilos of coke washed ashore in U.S. Virgin Islands; 2 suspected smuggling vessels are intercepted coming from international waters.

Traffickers use false-floors and bleach to mask 350 kilos of coke onboard a boat; agents in St. Thomas race to catch smugglers spotted on trail cameras.

AMO chases a boat with 1,800 kilos of coke to the BVI; in PR, agents find a capsized migrant vessel and suspicious floating bundles.

American Maritime Officers seizes over 280 kilograms of cocaine and $750,000 from smuggling vessels.