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.

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.

The family volunteers at the local fire department. Then, they travel to Oklahoma to help make supply parachutes for persecuted Colombians.

The Duggars return to Little Rock to help serve dinner at a fish fry. Also: Michelle records an audio book.

The Duggars attend a Passion play and are invited to become extras in the performance. Also: Jill gives Josie her first piano lesson.

Joy-Anna turns 13, and the Duggars celebrate with a family train ride and an ice-cream party.

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.

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.

The Duggars celebrate Josie's first birthday.

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.

Josh and Anna are on a deadline to move their second used car lot, but due to zoning laws, they might not be able to make the move after all.

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.