Jen is a keynote speaker for work in Scotland and the whole family comes along! They visit a scotch distillery, a castle where Will and Zoey feel quite at home, and Bill decides to try haggis...much against Jen's wishes.
The family is on a kilt quest in memory of their visit to Scotland. Upon arrival in London, Will and Zoey question a royal guard, ride the London Eye, partake in proper British tea and try to re-create the iconic Beatles cover of "Abbey Road."
It's back to everyday life in Houston, where Bill and Jen are busy with the kids' after-school activities, including karate and speech therapy, while managing their own careers. Meanwhile, Uncle Joe visits so he and Bill can test their pee-pad invention.
The Kleins go to Charlotte when Jen's nephew is being baptized, and Jen and Bill are chosen to be his godparents. Meanwhile, Will and Zoey surprise their uncle with a homemade birthday cake.
The Klines are in Washington to host an adoption gala; they visit Mt. Vernon for some historical fun, then head to the Oval Office; Zoey's 5th cupcake birthday is a huge success until a food fight breaks out.
The family has some last minute fun in Washington before heading to Delaware for Will and Zoey's yearly check-up with specialists; the entire family relives a tradition that brings both fond memories and tears.
When one of Jen's best friends from school comes to visit for the weekend, its constant and crazy fun as Will and Zoey bond with her children; the family heads out in their toy cars for a memorable Halloween night of trick-or-treating.
Bill wants a homemade dinner for his birthday and the team works to prepare the meal; when reading a story, Will shares some startling news that propels the family to talk about what it means to be little.
It's Xmas time and Bill goes all out with the decorations much to Jen's dismay! Bill holds a pet adoption where Will & Zoey decide a new puppy is in order! With family visits, toy drive shopping, and letters to Santa, there's never a dull moment!
Will and Zoey experience snow for the first time in Vermont; Jen and Zoey carefully navigate the snow, but the boys throw caution to the wind; Will celebrates his birthday; Jen and Bill contemplate a decision that will change everything.
After accepting a job in St. Petersburg, Jen, Bill and the kids travel to Florida to find a perfect new home, but with specific needs and two curious kids, house hunting isn't easy; the family grabs a sweet treat to celebrate Jen's birthday.
Bill travels to Orlando to showcase his Pop-Up pee pad at a pet industry trade show; Jen teaches her last simulation class at Texas Children's Hospital; grandmother Judy helps Jen take care of Will and Zoey while Bill is away.
The Kleins are back in Florida to go on a second house-hunting trip; Bill and the kids go to an alligator attraction with Nai-Nai; the family goes on a boat cruise to celebrate Bill and Jen's anniversary.