The Duggars visit the Arkansas Inland Maritime Museum, where they tour the USS Razorback submarine, which was used during World War II. Meanwhile, John David and Joseph try to fix a water leak at one of Jim Bob's rental properties.
The Duggars spend a day exploring Little Rock and one of their stops is the Arkansas Museum of Discovery. Later, Michelle and Jim Bob get sick, so Jana and Jill visit little Josie in the hospital, and they get to hold her for the very first time.
The Duggars learn about the art of blacksmithing during a trip to the Stone County Ironworks in Mountainview, Ark. The kids also attempt their own ironworking project and enjoy some authentic bluegrass music.