The Bates visit the Duggars. They are going to go to the George Washington Carver Monument, but a cold spreads through the two families which might ruin their plans.
Michelle spends time with the younger children and also tries to catch up on housework. Meanwhile, Anna learns firsthand the challenges of raising a 1-year-old.
Jim Bob and the older kids continue their stay in Honduras, where they spend time with the locals, visit Mayan ruins and sample authentic Honduran cuisine.
Jim Bob and 11 of the older kids embark on a volunteer mission to Central America. Back at home, Michelle keeps busy handling the seven little ones with limited help.
John-David decides to follow in his dad's footsteps and run for political office. Also, Joseph gets braces and an update on Josh and Anna's second pregnancy.
A new season begins as Jessa celebrates her 18th birthday with a trip to the shooting range and a skydiving adventure. Back at home, Michelle takes a pregnancy test to make sure she can go skydiving.