The entry hall's new foundation is prepped; the sun porch is demolished; a 16-foot section of the rear foundation wall is cut and dropped so that work on the new family room can commence. Also: a visit to a gatehouse (now a private home) that belonged to the estate that once occupied the neighborhood.

Tom levels the kitchen floor.  Norm frames the first floor.  Richard sees how the Charles River has been formed engineering projects.  Tom and Kevin contends with the termites and carpenter ants.