While doctors struggle to determine what's wrong with Josie's digestive system, Michelle and Jim Bob decide it's time for the other children to return to their home in Tontitown, Arkansas.

Doctors make a breakthrough with Josie when they determine the cause of her digestive problems. With the discovery comes relief when Michelle is finally able to bring Josie back home. Meanwhile, Jana and John David take off on their trip to Asia.

The Duggars visit the set of the new film, Courageous. Meanwhile, Michelle continues to learn how to take care of Josie on her own back in Little Rock. This episodes features Alex Kendrick, Stephen Kendrick, and Harris Malcolm.

With Josie improving every day, Jim Bob and Michelle decide it's time to reunite her with the rest of the family in Northwest Arkansas. However, their plans are delayed when 12 of the kids come down with a serious case of the chicken pox.

After months of following her journey, watch as Josie finally reunites with her 18 siblings in Northwest Arkansas. But before she returns, Jim Bob, Michelle and the kids must pack up and say goodbye to their home away from home, Little Rock.

The Duggars adjust to life with a preemie, and Josie gets a new doctor, who tests her development and growth.

The Duggars are planning on having a dinner party and they invite two other large families to join in for a fun, and crowded, evening. And get an update on the three youngest Duggars - Jordyn, Josie, and first GrandDuggar, Mackynzie. It is also announced that Michelle is expecting number 20, but no, a crewman (Jon Boyle) and his wife are expecting first child.

The Duggars decide it's time to take new family photos now that Josie is home. But after the pictures are taken, Josie is off to a check-up where she gets another type of shot.

Now that everyone is back in Tontitown, Jim Bob and Michelle, along with their kids, settle back into their daily routine. Also, Josh and Anna, along with Mackynzie, show us what their daily life is like for their smaller family.

Watch as the Duggars embark on a media tour with appearances on The Today Show and a photo shoot with People Magazine. But when a young Duggar has to take an emergency trip to the doctor will the family be camera ready in time?

The Duggars are in Chi-town! Jessa, Jinger, and their closest friends Michaela and Erin Bates, travel to Chicago for a music seminar and to tour the city. Meanwhile, Jim Bob organizes the kids to wash the family's brigade of cars.

It's a bittersweet time for the Duggars as Michelle finds out that her gallbladder, an initial cause of Josie's premature birth, may need more medical attention than originally thought.

The Duggar girls are out and about! Watch as Anna takes a few of her sisters-in-law for a girls day out - complete with ice cream and shopping. And check in with Josh who is hard at work at the car lot.

Duggars are known for is their sense of style! Anna decides to turn up the heat with fashion and makes "fire skirts" for the girls to wear when they volunteer at the local fire department. But will the new look be a fashion do or don't?

It's in the pool! Find out if the Duggar kids sink or swim when they take a swimming lesson and have some fun in the water. And watch as Michelle visits a Mother's Morning Out Program to share her child-raising tips!

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While Michelle and Josie pay a visit to the pediatrician, Jim Bob takes Josiah out on the open road to practice driving before his DMV test. Later, Jim Bob is on daddy-duty all by himself looking after both Jordyn and Josie.

Jim Bob and the kids take in the sights of Louisville, which includes a stop at the famous Louisville Slugger Museum and Factory. Back home, Michelle takes care of Josie and prepares to leave her with a babysitter so she can reunite with the family.

Still in Kentucky, the Duggars have a speaking engagement in front of the largest audience they've ever had. Will they be a hit or will the kids get tongue tied?