The start of the school year is approaching fast.

School is back in session, with mixed feelings from the kids.

Anna is finally ready to leave for college, and the excitement sets in as she and her sisters do some back to school shopping. A family dinner gets tense as Trent upsets Emma. Move-in day finally comes and the small size of the dorm is a big shock.

The kids rope Trent and Amber into viral video challenges.

The Johnstons spend time with Jonah's girlfriend and her family.

Kim and Barry Plath face a tough decision for 16-year-old daughter Moriah.

The sheltered life of the Plath children is coming apart at the seams.

Moriah returns from San Francisco, and plans for a new band are discussed.

For Matt and Amy Roloff, life as Little People is a constant challenge.

Fifteen-year-old twins Zach and Jeremy couldn't be more different.

Matt and Amy are too stressed to celebrate their 18th wedding anniversary.

Danielle and Adam give birth to the first US set of all-girl quintuplets.

A baby photo shoot with the quints turns into pure chaos.

Adam returns to work, leaving Danielle to care for the girls alone.

Adam is torn over how to make Valentine's Day special for the girls.

It's a trip of firsts for the Quints as the family heads out on a ski trip!