Ice and Fire

Todd returns to face an old nemesis that once defeated him and destroyed his truck: Asheweig Road. Lisa tackles the longest run of the season so far, but disaster strikes when a fire breaks out beneath her truck - while she hauls barrels of explosive oil. Scooter is knocked backwards down an icy hill as he ventures into the unknown on a little-used goat trail. Further north, Shaun leads sons Riley and Zach over one of the continent's largest lakes on their first crossing of the massive frozen expanse.