In Corry, Pennsylvania, the Barnwood Builders save one of the biggest barns they've ever seen. Along the way, Sherman shares farming stories with the barn owner, and Mark explores the nearby wetlands designed for conservation.

The guys travel to West Alexander, Pennsylvania, the heart of farm country, to save a classic bank barn. Johnny visits a local farmer and her pasture-raised animals. And Mark drops by a local farmers' market to buy goodies for the crew.