This year, four ice road truckers return from last season to join Arctic veterans as they venture 200 miles north of the Arctic Circle to drive the most isolated and dangerous ice roads in North America.

After just two days in the Arctic, the critical demands of the oil exploration sites are testing the limits of the truckers and their machines.

The Ice Road Truckers hit one of the most intense blizzards in recent years.

The Ice Road Truckers face a blizzard while attempting to move seven million pounds of iron, cross an ocean, and transfer loads on time.

The Ice Road Truckers race to move seven million pounds in 96-hours while one trucker loses his way.

The pressure of the ice builds as the Ice Road Truckers prepare to haul the heaviest load of the season.

The Ice Road Truckers prepare themselves for dangerous territories as Alex's health continues to deteriorate.

The race to dismantle the Mallik Research site before the ice road melts has the truckers hauling away equipment piece-by-piece.

Medical issues threaten some of the Ice Road Truckers as the Arctic veterans take on the challenge of hauling the final loads.

Eric and Hugh continue to vie for the title of "King of the Ice Road" as Kurt escorts a convoy of "highway maggots" safely off the road.

Jody and Brett take on the challenge of removing the 66-ton derrick from the Langley site, which has to be "two trucked;" one truck will make the entire journey traveling backwards on the disintegrating arctic ice.

Warm waters from the south and an arctic whiteout threaten the Ice Road Truckers' last day of the season.