INFAST US

On board with the Miami Water Cops where Kellerman is on the trail of a $75,000 dollar reward.

The four Special Ops trainees face danger and exhaustion in a bid to become fully qualified marine security agents.

The Keefer brothers fight their way downstream through freezing water and strong headwinds.

Cross multiple waterways, through miles of deep muskeg and climb hundreds of feet of mountain in search of caribou.

The guys decide to push downriver in search of Yukon Bull Moose.

The guys push down river but have barely enough energy to set camp.

Another day at Prayer Point presents Casey with another opportunity.

The guys have more questions than answers and find an abandoned trappers cabin.

On day three of the river movement, a hunting camp is desperately needed to boost morale of the crew; in pursuit of downing a giant bull; frustration boils over as the brothers admit for the first time they aren't sure what to do.

Casey gets into position with his bow; as the second bull makes his way up river toward the dead bull, Casey moves down to the river's edge for a closer look; the bull and Casey have a stand-off.

After killing a bull moose, Chris and Casey cut it up and make a meat cache to preserve rations.

Nervously awaiting the news of the Helios's engine, the guys begin to reflect on the past.

In the remote Arctic region of Finland, Aki and his loyal dog, Äijä, guide fishing expeditions through untouched waters; Aki and his partner Emilia have left the bustling city life for the wild beyond the Polar Circle.

In Russia's Karelia wilderness, Viktor Iljin manages and protects one of Europe's largest natural reserves; a retired police chief turned gamekeeper, Viktor, patrols 67000 hectares of dense forests, managing wildlife populations.

High in Italy's Monte Rosa Alps, mountain guide Stefano Percino embraces life at altitude; Stefano leads through the realities of life at nearly 4000 meters, where he works tirelessly to maintain mountain huts, map safe routes.

As winter transitions to spring, each naturalist prepares for the seasonal changes that test their skills and adaptability.

In Austria, falconer Doris Hiebeler dedicates her life to falconry. Raised in a family of bird breeders, Doris trains hawks and hunts with them in Central Europe's forests.

Morgan Vikne and his fiancée, Tone, navigate the challenging fjords of Norway; with his dark humor and passion for the outdoors, Morgan leads a rugged life that includes fishing, hunting and exploring Norway's fjords.

Mario takes on the unforgiving alpine mountains of the south island of New Zealand in a fallow deer hunt with his bow, and cooks an impressive venison pie dish.

In the outback of Australia where everything is trying to kill you. It's monsoon season when no one attempts to roam around with salt water crocodiles lurking. Mario links up with a long time friend in search of a wild Buffalo.

Mario teams up with good friend and precision rifle expert Bernard and heads into the high alpine mountains above New Zealand's rugged West Coast in search of tahr; drawing on his Greek roots, Mario cooks a rustic Kleftiko dish in an earth oven.

In one of the harshest environments on the planet, Mario Kalpou travels to the outback desert of Australia in search of feral camels that have been running rampant.

Mario hooks up with old friend and current world record holder for kingfish Rick Pollock; they fish the coast of New Zealand just off a live volcano.

After being dropped off into the mountains where there were only whispers and tales of mountain monsters being seen. Mario is on the search of the outer limits of the mountains to find himself a monster red deer.

Mario returns to his homeland in Australia to help a friend with some wild boar pest control and catch some prehistoric fish out of a billabong. But drama strikes and Mario finds himself in crocodile infested water plucking fish out.

Mario enjoys the camaraderie and challenge of duck hunting on opening day, and then teaches the audience how to cook an ancient Chinese recipe with one of the leading chefs of an award-winning restaurant from New Zealand.

Modern day Mountain Man Laramy Miller sets out on the trail to experience life in the high lonesome.

Modern day mountain man Laramy Miller sets out on the trail to experience life in the high lonesome.

Laramy realizes that game is scarce because of the wolves, and he decides to put some distance between himself and the pack. Time to break down camp and move to a new location.

Snow, what the mountain men called white death, stops Laramy in his tracks; his trusty horse Seven has suffered a leg injury; Laramy must take care of Seven, battle through hunger and survive the snowfall.

Laramy remains stuck at Camp Hellhole, nursing 7's leg, and struggling to survive in the freezing temperatures without food.

Laramy and 7 leave camp Hell Hole and hit the trail again. They are headed for lower elevation in search of a more permanent place to call home.

Laramy and 7 find a long-term camping spot out of the snow and at a lower elevation. Laramy gets to work making a more permanent shelter and looking for food.

Laramy locates some whitetail deer and focuses his efforts on hunting them.

Stocked up on food, Laramy and 7 thrive at their new location.

Laramy and 7 say goodbye to their final camp and head home.

A back country patrol in search of poachers; wardens are busy with illegal hunters and anglers.

Wardens come across a gruesome crime and some illegal fishing activity.

Wardens deal with conflicting hunting stories.

Bryan Golie, Jeff Darrah, Joe Kambic and John Lasofsky give their insight into what it's like to be Montana Game Wardens.

Nathan Holcomb falls from his tree stand and must crawl out on his own to find help.