Bill and Barb Putman, their four adult children and spouses, and 15 grandchildren all share a house; baby 26 is on the way, and changes are on the horizon.

The Putmans all eagerly await the arrival of the 26th family member; new house design decisions test everyone's patience; Blair returns home to recuperate, but dreads the thought of being away from husband Jamie.

Blair's recovery at home leaves her torn between family and her husband Jamie; Bill's health reaches a critical boiling point; the Putman men celebrate a bittersweet milestone with their first ever Daddy/Daughter Dance.