With Halloween just around the corner, Jenny must also face an even scarier event: her 42nd birthday the day after! Donnie has a couple tricks up his sleeve to take her mind off getting older.

When Jenny and her family head to Florida to pitch a show for the Home Shopping Network, Donnie and Macky stay behind to plan a surprise for when she gets back. After spending quality time together, Donnie has a proposition for Macky.

Elijah is coming to visit St. Charles and Donnie wants to build a fort for him in the woods behind their house. Unfortunately, Jenny is at home sick, so Donnie has to juggle taking care of Jenny while overseeing construction with Johnny.

Donnie and Jenny head to Dallas where Jenny is giving the keynote speech at an autism conference. Once they return home to St. Charles, Jenny wants to show Donnie what a huge impact he's had on her and Evan's life.

Donnie is being honored at Chicago's South Shore High School, which happens to be only a few miles away from Jenny's childhood home. Joined by Jenny's family, the couple takes a trip down memory lane exploring all the places that shaped Jenny into who she is today.

Jenny has her hands full planning an anniversary gift for Donnie and working on the charity auction for Generation Rescue. With a little help from Donnie, the event turns out to be the biggest fundraiser in Generation Rescue's history.

As Donnie and Jenny have settled in to their St. Charles home, they've noticed an increased number of fans coming onto their property. Donnie and Jenny must come up with a creative idea to get some privacy and follow the rules at the same time.

As Jenny and Donnie settle into their new home, they celebrate Donnie's first birthday in St. Charles. Meanwhile, Evan is diving head first into adolescence and Jenny fears her affectionate baby boy is gone forever.