Family and friends celebrate WIll's birthday with chocolate and a giant cake!

The kids go sledding during their family vacation in Vermont.

Will and Zoey experience snow for the first time.

Bill and Jen go out to dinner to discuss Jen's job offer and what it means for their future.

Bill and the kids shop for toys to donate to families that are less fortunate.

The family gets into the holiday spirit by decorating the Christmas tree!

While writing letters to Santa, Will and Zoey receive an unexpected call from the man himself.

The family attends a pet adoption event at Bill's store.

Jen helps the kids make Bill a giant birthday card.

Will and Zoey have their weekly swim lesson with Jarrod.

Family story time turns into a discussion on what it means to be a little person.

Bill and the kids hit the grocery store to buy ingredients for his birthday dinner.

Will and Zoey take the wheel as they head out trick or treating with their parents.

With Jen's best friend Amy in town with her kids, the group heads to the local boardwalk aquarium.

Will meets with his speech therapist Anna.

Jen and Bill take Will and Zoey to the geneticist for a check-up.

Will and Zoey have a lemonade stand, but they are doing more drinking than selling.

Bill and Jen show off their silly side, but also they talk about the moment they met and fell in love.

Zoey celebrates her birthday at Georgetown Cupcakes.

Bill takes Jen to a secret place in the hotel to propose for the second time. She said yes!

The family heads out on a duck tour in DC.

Zoey goes to the doctor for a check up, and she might have a crush on him.

The family tries space food. Who will like it the most?

Bill and Jen meet their surrogates at the hotel, and then it's all about finding the right ice-breaker. Shoot out at the Santa Monica Pier, anyone?

When it comes to cutting the cake Jen takes the lead in directing the procedure. Watch The Little Couple Tuesday's 10/9c.

The family is all together and ready to Trick or Treat for the first time.

Bill, Jen, Will and Zoey and their grandparents feast at a local crab house.

Bill needs to get out and exercise, and a dog walk with Will and Zoey is just what the doctor ordered.

Jen and Bill take Will and Zoey to the geneticist for a check-up.

Will and Zoey meet Santa. Will it go over better than last year?

Jen and Bill take Will and Zoey to the orthopedic surgeon for a check-up.

The family enjoys a meal of sushi.