Original air date: 07/18/2015 Runtime: 42:53 min. Cullen is in California with the Central Pacific Railroad building east through the mountains. He contends with the strange new world of Chinese workers, rowdy Irishmen, and bosses. Word that the Hatches are Mormon apostates comes in from Salt Lake City.
Original air date: 07/25/2015 Runtime: 42:53 min. Cullen enlists a crew of Chinese workers to help him move a locomotive from Truckee to the Summit Tunnel on a sled. An accident forces Cullen and Fong to work together to survive. Swede and Phineas fight for survival after Cullen banishes them to the high country on snow-shoveling patrol.