Gabe and PJ mistakenly believe something fishy is going on with their neighbor, Mrs. Dabney, so they investigate. Meanwhile, Teddy is annoyed that her best friend Ivy has become texting buddies with Amy.

A puzzled P.J. and Teddy cannot understand why their friends are angry with them, until the monthly cell phone bill arrives.

Using a fake phone call app, Teddy and Ivy trick their moms into allowing each other to go to a senior party. Their plan backfires when the moms find out and set out to track the girls down. Meanwhile, PJ fills in for Bob's day at work (exterminating rats), and Charlie tries to get Gabe to play baby with her.

Amy and Bob make up for not throwing Gabe his much delayed 12th birthday party by giving him a 12 ½ birthday party, after Gabe promised to be good for a whole week. Unfortunately, Gabe's party falls on the same day as a huge blizzard. Meanwhile, Ivy and Teddy cannot get along with Ivy not liking Teddy's new boyfriend Derek, which causes a rift in their friendship. They go to each other's houses to settle their differences, the same day as the snow storm. Teddy is driven crazy by Ivy's parents Mary Lou and Harry (Ellia English and William Allen Young) while Ivy is having a great time celebrating Gabe's 12-½ birthday. Meanwhile, PJ helps Bob lose a few pounds.

Teddy has been meaning to buy a used car. An excellent offer comes up when Mary Lou Wentz wants Harry Wentz to sell his car, that he calls Gracie, because it takes up too much space in the garage. Teddy buys the car and on the way home, she accidentally totals it. Meanwhile, Amy is offended and upset that Charlie will not make a scene while getting dropped off at preschool, which leads to Mommy & Charlie Day, a day where Amy bonds with Charlie, hoping she will cry when she drops her off at preschool the next day. The next day, Charlie gives Amy a heartwarming hug. Elsewhere, PJ and Gabe try to finding Bob a friend to avoid going on their annual father and son fishing trip.

The Duncan family (except Teddy) compete in a bowling challenge against some family that beats them in bowling 5 years in a row

The Wentzes invite Teddy for a weekend at their ice house. Charlie says a bad word and Amy and Bob try to figure out who she learned it from. PJ and Gabe break Mrs. Dabney's satellite dish, so she comes over to the Duncan house to watch her soap operas, with PJ and Gabe becoming captivated by the storylines.

Amy convinces Mary Lou Wentz to throw her a baby shower, but the event turns bad when Charlie blurts out all the horrible things Amy said about her baby shower guests.

Bob and Amy vote on baby names. Teddy looks for peace and quiet to do her work. PJ is graduating from high school but feels he might fail; Gabe thinks he did something wrong when Bob and Amy give him extra attention.

Ivy's dad opens a weather-themed restaurant where Teddy and Ivy become waitresses. Gabe has a crush on a girl and Amy tries to show her Gabe's "soft" side. PJ and Emmett have a rematch on the baby race, this time on tricycles.

Beau and Teddy and Bob and Amy go on dinner dinner dates, while PJ is in charge of Gabe, Charlie, and Toby.

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.

Gabe discovers PJ has been living in the tree house in the backyard.