When Bob has an accident, the kids must take care of him and Charlie while avoiding their mother.

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.

The family reminisces about the day Charlie was born.

Teddy and P.J. hatch a plan to keep Bob from tearing down their cherished childhood tree house.

Teddy starts a rock band with Skylar and wrote a mean song about Spencer. Meanwhile, Gabe and PJ are tired of sharing the same room, so Gabe sleeps in an extra room in Mrs. Dabney's house. Amy uses the free day care at a gym to go to a spa down the street.

Teddy volunteers to drive Mrs. Dabney around to get more experience behind the wheel.

Bob and Amy try to potty train Charlie but when she flushes her toys down the toilet, Bob must fix the plumbing. Unfortunately, Bob cracks a pipe and water sprays him and the nearby fuse box, resulting in a blackout. So, to finish their video game, PJ and Gabe run a cable from Mrs. Dabney's fuse box to power the TV set, eventually giving her house a blackout. Meanwhile, Teddy helps Ivy prepare for her first online chat with Raymond Blues (Daniel Curtis Lee), a guy she likes.

Teddy, Amy and Charlie plan a trip to Chicago to visit their rich great-aunt Nell, where they are instead mistaken for the Duncan Sisters, a famous hip-hop dance duo and are taken to the dance studio of "Shake It Up, Chicago". Amy pretends that she, Teddy and Charlie are sisters in order to accomplish her dreams of being on TV, but since they do not know how to dance, they enlist the help of dancers CeCe Jones (Bella Thorne) and Rocky Blue (Zendaya). Back at home, Gabe and PJ hold a yard sale in hopes of raising money while cleaning out the attic, but wind up selling a cat cookie jar with $500 in it to Mrs. Dabney; Bob is obsessed with a TV show, Higgins and Zork.

It's Halloween and when Charlie gets scared by Carl, Teddy decides to give him a taste of his own medicine. Meanwhile, Gabe agrees to protect Mrs. Dabney's house from teenagers, but when her house gets trashed, Gabe has to do whatever she says. Also, PJ becomes a goth because of his new girlfriend, Zoe. Bob and Amy dress as each other for Halloween.

Bob's father Frank (Alan Rachins) comes over for Thanksgiving and begins a romance with the newly divorced Mrs. Dabney, much to Bob and Gabe's dismay. PJ tries to trick Amy about cooking the turkey. Teddy and Ivy attempt to wait in line for a new gadget.

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.

With the new baby coming, Amy decide the family needs to move to a new house. Teddy and Spencer audition for better acting reenactment roles at Super Adventureland. With Gabe leaving the neighborhood, he and Mrs. Dabney pull the ultimate pranks on each other.

Bob's mom visits to help with Toby, driving Amy crazy. Teddy and Spencer celebrate their tenth-month anniversary. Gabe and PJ find an old letter saying that money is buried in Mrs. Dabney's backyard, and start digging to find it.

The family, minus a supposedly sick Teddy, take a vacation to a house on Dead Man's Lake that may be haunted. Meanwhile, Teddy plans a house party while her family is away.

With the end of Amy’s maternity leave, Teddy's new babysitting duties conflict with her prep for a big school debate and things go awry when Gabe and PJ are assigned to watch Charlie.

A bat invades the Duncan house on Halloween; Teddy and Spencer celebrate their 1-year anniversary; Gabe gets tricked by Mrs. Dabney into attending a ceremony in honor of her charitable work.

Gabe has a crush on Mrs. Dabney's granddaughter.

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.

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 throws a sleepover at PJ's apartment to forget about her anniversary with Spencer, while PJ and Emmett take care of their neighbor's pet rats while he's away. After Verne quits working for Bob to start his extermination business, Bob hires a young man named Beau (Luke Benward), as a replacement. Amy and Ms. Dabney use Gabe and Lauren to trick each other to do their chores but tables turn when Gabe and Lauren find out.

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.

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.

Teddy leaves for college and the family has a hard time saying goodbye.