Mighty Trains - Season 4
They glide across the prairies of Canada and the deserts of Australia. They power through the cold of the Norwegian Arctic Circle and up the steepest slopes of the mighty Swiss Alps. They zoom into the future in Japan and go back in time in Alaska. Ride the rails to witness the world's mightiest trains in action and join us as we embark on challenging missions, high-speed thrills, and cross-country adventures aboard these fast and powerful marvels of design and engineering.