Teddy leaves for college and the family has a hard time saying goodbye.
Gabe discovers PJ has been living in the tree house in the backyard.
Teddy is disappointed when she is waitlisted at her first choice for college.
When Teddy gets accepted into a college in New York City, she goes to New York, alongside P.J. P.J stays at a hot dog cart and gets back together with Skyler. Meanwhile Teddy misses her tour on the subway and meets up with Jessie and Zuri. When a blizzard traps Teddy and P.J in New York City, they decide to stay with Jessie and Zuri.
Beau gets a job offer and must decide whether to stay in Denver with Teddy or move back to Tennessee.
Teddy and her friends go Halloween caroling to raise money for the drama club. A neighborhood mom vows to get even with PJ and Gabe for not giving her son any trick-or-treat candy.
Ivy tricks Teddy into joining her family trip to Las Vegas. Gabe is secretly playing league baseball because he doesn't want his mother to embarrass him. Bert and Mrs. Dobbs announce their marriage and want to have the wedding at the Duncan house.
Bob and Amy attend the pest controllers annual dinner dance. Beau asks Teddy to the same event. Gabe scores tickets to the first showing of a hot new movie for an upcoming date.
An unexpected visitor creates drama for Teddy on her 18th birthday.
Beau and Teddy and Bob and Amy go on dinner dinner dates, while PJ is in charge of Gabe, Charlie, and Toby.
Ten years in the future, 14 year-old Charlie watches a video diary that Teddy made about a fight she had with Gabe, in hopes that it will guide her through her fight with an 11 year-old Toby.
Amy goes all out for Charlie’s birthday.Teddy goes to work at Bob’s extermination business. Gabe is sent home from school for accidentally getting in a fight.
Teddy suspects that someone at school is out to get her. Amy and Bob suspect that Deedee Dooley is teaching Charlie bad behavior Gabe tries to prevent his report card from being mailed home.
Teddy struggles with applications for college and she dreams that she is in different times in the past. Gabe faces his old teacher. Bob gets an old rock look.
Gabe has a crush on Mrs. Dabney's granddaughter.
Teddy moves on and looks for a new guy who looks just like Spencer.
Teens PJ and Teddy and tween brother Gabe are typical kids -- that is, until their mother has another baby. The arrival of their new sister completely upends the entire household. When their mother heads back to work after Charlie's birth, it's up to the kids and their dad to keep the home fires burning -- and to keep Charlie out of trouble as she learns to sit up, crawl, walk and run. Teddy, as the older sister, makes a personalized video diary for Charlie, in each episode adding a nugget of wisdom for her baby sibling.