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.

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.

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.

Modern kids love playing with gadgets, but when enough is enough, how can you put away the phones and tablets without causing tears? Bill and Jen offer their best tips for keeping (some) days gadget-free.

Bill gets a little practice holding a baby with Baby Riley.

The key to marital bliss isn't avoiding arguments -- that's just not realistic! Bill and Jen divulge their secrets for keeping the household peace in this exclusive video.

Jen steps in to help provide artistic vision for their new business.

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!

Will Rocky ever forgive Bill & Jen for dressing him up as Santa Claus?

No parent likes hearing the "b" word (that's b-o-r-i-n-g!), so Jen and Bill entertain their kids with sidewalk chalk on a summer's afternoon.

In tonight’s season finale, Bill & Jen arrange a visit from Martha, the founder of a website called Rainbow Kids, an organization dedicated to finding parents for kids with special needs, including dwarfism. The couple doesn’t know that Martha ha ...

Jen and Bill take the first steps to adopting a special needs child.

Jenn and the kids do a photoshoot to surprise Bill.

Jen cleans out her closet and gathers old outfits for charity.

Another step in their journey for parenthood: FBI clearance.

It's normal to have anxiety about introducing your little one to the four-legged family members that already live in your house. Bill and Jen share their advice about building the bond between child and dog.

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.