Bill and Jen discuss their children and the meaning of their smiles.

Jen meets with a physical therapist about improving her muscle strength and mobility.

To celebrate her 40th birthday Jen thinks the family is going to Galveston for a beach vacation , but Bill has a big surprise planned for his unsuspecting wife.

Bill talks about being a working Dad and how it's changed his life. He also talks about the obligation associated with adopting children.

Jen takes her mom and daughter with her to the spa for a pedicure before the vow ceremony.

Will has been able to feed an elephant and a giraffe in the past few months. Bill remembers the time they met the elephant in Mumbai.

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

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

Bill hangs Will's growth chart in his room and Will tries to be a good helper, but as a four year old boy, he is easily distracted.

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

Jen talks about telling Will and Zoey that Mommy is sick with cancer. Will understood that Mom was not feeling well, but might not understand what cancer really means.

The Klein family enjoys a fun ride on the carousel.

It's Easter and while Jen is doing rounds at the Hospital, Bill is at home teaching Will and Zoey the art of dyeing Eggs.

Bill gives an open and honest answer to his feelings about Jen being diagnosed with cancer.

Watch the moment that Jen found out from her doctor that she has beat cancer. Her heavy treatment paid off and her prognosis is excellent.

Life in "The Little Couple" household has changed dramatically since returning from India with second child, Zoey.

Bill and Jen reflect on being parents to two children. Will makes it pretty easy, but according to Jen, Zoey is a bit of a handful at times.

As the family is in Scotland on a family trip it's time to go get the guys fitted for traditional Scottish kilts!

The Little Couple's, Jen Arnold, gives an update on the family as they evacuate their St. Petersburg home to escape the wrath of Hurricane Irma.

What’s it like to raise to adorable and active kids? Bill and Jen fill us in on all things Will and Zoey.

A trip to see the guards with Will and Zoey is met with an unexpected reaction!

Happy Birthday, Bill! Let's take a moment to share some of Bill's best (and goofiest) moments over the years!

When the youngest Klein family member, little Will, meets newly adopted baby Zoey for the first time, his reaction is the sweetest thing you'll have ever seen. Grab a tissue!

The race is on! Who will win, Zoey or Will?

Bill and Jen talk about Zoey's favorite and least favorite foods.

Bill and Jen want to recreate the iconic Beatles Abbey Road Photo with the kids and hijinks ensue...

Bill calls Jen to tell her that Zoey's visa has been approved and they can book flights home.

Bill has the family learning about fire safety and preparing for a fire drill.

Jen shares her stories and struggles as a working mom of two.

It's swimming lesson time, and Will is really excited.

Bill talks about being a working Dad and how it's changed his life. He also talks about the obligation associated with adopting children.

It's Bill & Jen's last night in Hawaii and there's only one way to celebrate...With a good ol' fashion Fire Dance.