Season 4, Episode 1 Breaking Through
First Aired: June 6, 2010
In the fourth-season opener, Hugh, Alex, Jack and Lisa return and welcome two new truckers: Ray, who owned his own trucking company, and Greg, who is the youngest driver. Also: A driver faces a road-closing wreck; and rookie Ray gets a cold welcome from the Atigun Pass.
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- Premiered: June 17, 2007
- Rating: TV-PG
- Premise: Following six men who haul diamond-mine supplies along frozen-lake roads in Canada's Northwest Territory. (more)
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Here's how everything changed in "Chapter 6"