In South Carolina, Ricky and Chris are after a feral hog that has left a trail of destruction behind it. In Alaska, PJ races against the approaching winter to make a final salmon catch. And Kip and Big Ward must hunt for swamp alligators on foot.

PJ hunts for moose, and Ricky tries to float a tractor across the river.

PJ and Doug are surrounded by grizzlies, and Kip's airboat breaks down.

Ricky loses a vital piece of equipment, and Kip gets stuck in the delta.

Kip and Ward wrestle a giant snapping turtle, and Ricky tracks feral hogs.

A late spring is trouble for men who make their living on America's rivers.