Mountain Men: Season 3, Episode 4

3 - 4: Where There's Smoke, There's Fire

An overflowing river of ice threatens to trap Marty Meierotto with no way out of Alaska's Revelation Mountains. In Montana, Tom Oar's experiment on a lucrative bison hide goes up in flames. And in North Carolina, Eustace Conway puts his ingenuity to the test to build a wood-burning truck from scratch.