Nanuk is party ready!

The girls buy supplies for the 13th birthday party!

While the boys are roughing it by cooking food over an open fire, the girls are being served a gourmet dinner.

The boys decide to play a prank on the girls.

The kids experience a few wipeouts while learning to ski.

Kate takes the kids on a rainy day in Vermont for some pampering at a spa.

All of the kids hit the mountain to learn to ski and snowboard with the help of a few instructors.

In this bonus clip, Kate and the kids let their dogs in on the Halloween fun!

There may be just too many cooks in the kitchen as Kate and the girls attempt to ice cupcakes.

Get ready for Halloween festivities, family trips, and milestone birthdays on Kate Plus 8!

As we celebrate the Gosselin sextuplets 13th birthday, we took a look back at some of their most memorable birthday celebrations over the years.

Kate Gosselin and her brood of eight look back on their time on TV with a fun game night.

Mady announces the speed round in family game night.

Kate and her team fall behind, so she brings some humor in from a past memory.

With the twins learning to drive, it's time for the always feared parallel parking lesson.

The Gosselin family has learned that dogs aren't just all fun and games.

While at Australia Zoo, the Gosselin family visits a cheetah and Collin tries to guess how many spots she has.

Get ready for Halloween festivities, family trips, and milestone birthdays on Kate Plus 8!

All of the kids hit the mountain to learn to ski and snowboard with the help of a few instructors.

Kate takes the kids on a rainy day in Vermont for some pampering at a spa.

From Viewers' Top Moments, we re-live some of the Gosselins kids' cutest moments.

Even as a baby, Hannah was mommy's little helper. One of Jon and Kate's favorite moments is when Hannah helps with the laundry.

While the boys are roughing it by cooking food over an open fire, the girls are being served a gourmet dinner.

The boys decide to play a prank on the girls.

In a 'gaga ball' game Kate Gosselin teaches her kids the importance of trying their hardest... and she doesn't just 'let them win'.

The Gosselins get ready to go see Oprah!

Jenn and the kids do a photoshoot to surprise Bill.

There are approximately a billion things to do in any given day: work, laundry, errands, bath time. The list goes on! Jen offers insight into tackling to-do lists and leaving time for family fun.

Jen hoped she'd be the kind of supermom who bakes, shuttles kids to activities and works full time. That's not exactly what happened, but she loves the balance she's achieved! These are her tips for fitting it all in.

Jen and Bill discuss how caretaking roles have changed at home since he had spine surgery. The couple laughs as they talk about how different Jen's profession as doctor is from her at-home duties as nurse!

Planning a special event for your child's birthday takes a lot of time and thought. Jen discusses Zoey's birthday and explains how she chose the party's theme. Get inspired by Jen's methods!

PSA from Bill: Raising a kid is not impossible. (But raising two is challenging!) Bill and Jen speak candidly about how the demands of parenthood have changed their lives.