Highway Thru Hell Season 12 Episode 14 Pileup Under the Mistle-Tow ( Air Date 2023-12-04 ) Genre Reality, Documentary category. Overview "As the holiday season approaches, Reliable Towing is faced with their biggest wreck of the season. Jamie enlists Rob's log truck driving experience to pilot a torn-up trailer safely down Highway 1. Merv uses the full might of his rotator to right a flipped crane truck.".