Jill and Jim Bob travel halfway around the world to see if Derick could be "the one." Back at home, Michelle spends some time with Jessa and checks in on her courtship with Ben. When Derick asks Jim Bob a very important question, what will his answer be?

Josiah is graduating! Before the family can welcome 400 of their friends to celebrate, they must clean up a huge mess. Anna & Josh are preparing to host the entire clan for a holiday meal but they get an unexpected phone call with a big surprise.

The Duggars have arrived in DC! The older girls brave driving in DC to record their audiobook. Josie, Jordyn & Mackynzie celebrate their 4th birthday by making candy! Later, the family visits a skating rink with lots of slips and falls.

When Ben and Jessa's courtship becomes official, the Duggar boys put Ben to the test. Later, the tables are turned on Jessa when she visits Ben's hometown. The whole family reflects on what it means that a Duggar daughter may soon be leaving the nest.

The Duggars are heading to New York City to be featured on NBC's Today Show as part of Mother's Day. However, Michelle and Jim Bob Duggar have a big secret – Michelle is expecting baby #18, and the Duggars are trying to keep the news a secret until they can surprise the other 17 children on national television.

While they may not watch much television the Duggars are always up for a good movie. In this episode they travel to the San Antonio Independent Christian Film Festival. Watch as they take in the films and chat with their favorite movie star, Kirk Cameron.

This episode features the Duggars rules about dating and courtship and includes a hidden camera view of oldest son Josh popping the big question to his fiancee Anna on her 20th birthday.

The Bates clan, a fellow mega-family from Tennessee (Gil, Kelly and their 16 children, with another on the way), decide to pay the Duggars a visit to their new Arkansas home. The episode centers around the logistical challenges of nearly 40 people in one house, as well as the similarities and differences between the two families.

Jill Duggar is about to become Jill Dillard! See her very special bridal shower, where she spends time with the mamas and babies she's met through her work as a midwife. Could the next shower for Jill be a baby shower?

Each Duggar has his/her own chores (or jurisdictions, as they call them), which are somewhat gender-specific. However, Jim Bob decides that, on this day, the jurisdictions will switch and the boys will do the cooking, laundry and cleaning, while the girls learn the basics about car repairs.

The Duggar's visit to New York City continues, as they visit Central Park and Times Square.

It's a big family cleanup when the Bates arrive after the ice storm to lend the Duggars a helping hand. It shouldn't take the two unusually large families long to get the Duggars back up and running.

The Duggars continue to share their new bundle of joy, Jordyn-Grace. This time, Jim Bob, Michelle, Jessa, Jinger, and Jordyn head to New York City to be guests on The View.

The Duggars are on ice! Watch as Michelle, Jim Bob, and the kids experience the worst ice storm Arkansas has ever seen.

Josh brings Anna to Arkansas after the engagement in the last episode. The Duggars explain their beliefs about relationships with the opposite sex, where hand holding is a privilege, chaperones always accompany the couple and (in addition to their opposition to premarital sex) saving your first kiss for your wedding day is a must.

The Bates and Duggars compete in paintball and dare each other to jump out of an airplane.

The Duggars explain their ways of thriftiness -- they do not use credit cards, only debit cards or cash; they purchase clothing from second hand stores, groceries from Aldi, grow their own vegetables, use firewood (from trees on their property) to heat their home and even have a recipe to make their own laundry detergent.

Jinger successfully passes her driving test. The Duggars also celebrate Michelle's birthday and discuss their upcoming book.

She's ready for her close up! Jordyn-Grace Makiya Duggar comes home to join her brothers and sisters just in time for a photo shoot! People magazine takes a special interest in the Duggars and gathers them all for an upcoming issue.

Josh and Anna are settling in as the new Duggars on the block. See the newlyweds set up house as Anna cooks dinner for the entire Duggar family. Are Josh and Anna preparing for a Duggar-sized family?

Josh and Anna Duggar are getting ready for their own Baby Duggar. Watch as the newest Duggar family takes the first steps in expanding their household and celebrate on a double date with Cousin Amy and her boyfriend.

Even mundane things like decorating and visiting the dentist become adventures when 18 kids are involved. In this episode the Duggars install new blinds in their home and find out a few of the kids have cavities! But for the Duggars, how many is a few?

Jana and Jill Duggar are loosing some wisdom teeth that is! The girls are nervous about going under the knife to have their wisdom teeth removed, but with both of their parents by their sides will everything be okay?

It's a challenge for any family to take a road trip but what about when that family has 18 kids? Watch as the Duggars embark on a trip to the ATI Homeschool Conference in Big Sandy, Texas.

You're invited to a birthday party! Watch as the family throws Jason a Duggar style birthday bash at a roller-skating rink. With 17 brothers and sisters, how many presents will he get?