The extreme conditions threaten to derail precious cargo. The dedicated and skilled team control the massive freight train, but they face plenty of disruption.

The Polar Bear Express battles extreme weather to reach the town of Moosonee. Among its passengers is a blind American Cocker Spaniel named Maggie.

Conductor Jay and engineer Mike embark on a crucial cargo run from Hearst to Cochrane. Along the way, they must pick up a 2,500-tonne load of newsprint.

The Polar Bear Express is often the only way to reach the frozen town of Moosonee. A group of explorers board this train for its hazardous journey.

Conductor Jay and engineer Mike are tasked with transporting fuel to a remote community. Can they overcome intense blizzards to deliver this vital cargo?

Conductor JR and trainee Trevor must transport a massive load of timber from Calstock to Cochrane. They navigate extreme weather to get the job done.