Brick's teachers tell Frankie and Mike that he is "socially challenged". Mike believes that enrolling Brick on a basketball team is a good way to get him to interact with others, but the idea falls through. However, when Mike enters the neighborhood block-party lawnmower contest, he realizes that Brick has some special talents. Meanwhile, Frankie joins a booster club in the hopes of raising enough money for Axl's football team to buy new jerseys, but Axl refuses to give his old one up.

Frankie encounters two perfect siblings and vows to make her children stop fighting and become a loving family. Meanwhile, Aunt Edie makes a costly mistake at the quarry and Mike considers firing her.

Frankie points out to Mike that his social ineptness has been passed on to Brick, leading Mike to decide that both he and Brick need to be more social, and the Heck family BBQ is the perfect time to try. Meanwhile, Axl volunteers to clean the family pool in an attempt to get girls to stop by and swim and Sue tries to raise money for a local parish because her new friend, Reverend TimTom might be leaving in order to keep costs down

Against the family's wishes, Frankie invites a Japanese foreign exchange student to live with them, in the hopes of exposing him to American life; however, the Hecks get frustrated when he shows no interest in them or America.

After years of being at their kids' beck-and-call and never having time for themselves, Frankie and Mike decide to take charge of their lives and regain control over the Heck household. But Axl, Sue and Brick don't plan on going down without a fight.

While the Hecks spend spring break trying to clean their house, Brick opens a stand where he shares his advice for commission.

Mike punishes Axl by forbidding him from playing in the last basketball game of the season. Meanwhile, Brick begins wearing his cousins hand-me-downs, and Sue wins a trophy.

Frankie and Mike attempt to cure Brick of his irrational fear of crossing over bridges. Meanwhile, Axl is pitted against nemesis Sean Donahue when a lifeguard position opens up at the local public pool, and Frankie is ready to pull her hair out when she tries to help an indecisive and emotional Sue pick out a two-piece bathing suit to wear on the pool's opening day.

Frankie insists that the family go on vacation together before school starts; Mike and Frankie remember their honeymoon, which was ruined by Nicky (Ray Romano), a guy Mike knew in high school.

Frankie insists the family take a few days of vacation before school starts. But Mike's suggestion of a camping trip brings back bad memories of their honeymoon camping trip.

Frankie learns that Axl's PSAT's are fast approaching and he hasn't been preparing for them. Sue sets her sights high and decides to try out for cheerleading, while Mike decides that Brick needs to toughen up when he gets bullied at school.

As the Heck home begins to literally fall apart, Frankie and Mike consider leaving homeownership behind and moving the family to an apartment. Meanwhile, Axl tries to fake Frankie out by pretending that he's sick in order to get out of taking a school test - and must later convince her that he's well enough to attend a party that evening; Sue and her ex-sort-of-boyfriend, Brad, volunteer to prepare a school skit about showing the dangers of texting and drinking while driving; and Brick tries to offer a little bit of levity by spouting off Shakespearian quotes.

On a tipsy whim - and against Mike's wishes - Frankie decides to throw a Christmas Eve party at the house; Mike buys Frankie a much needed new dishwasher for Christmas, but has a hard time keeping it a secret when she begs him to replace the old one before the party; Sue calls on Reverend TimTom to explain the meaning of Christmas to Brick when he reads the Bible and begins to question it; and Axl gets annoyed with Bob when he tries too hard to be cool in order to befriend him while working together on a Christmas tree lot.

With Indiana hosting the Super Bowl, Frankie is devastated when she hopes to land a plum assignment as an official volunteer and ends up with a less-than-stellar position. Meanwhile, the entire Heck household takes advantage of the Donahue's new car while they are out of town, and a scary, close call with the car causes Sue to profess her true feelings to her new boyfriend, Matt.

Frankie and Mike decide to try a fresh approach to Valentine's Day by having dinner out with friends. But a clueless Mike angers Frankie by refusing to present her with a simple romantic gesture. Meanwhile, Axl can't think of a life-changing moment that's occurred in his life when he's assigned to write a school paper on the subject, Brick is tasked with writing a report on love, and a hapless Sue doesn't understand why her new boyfriend has suddenly turned into a bad kisser.

Sue accidentally runs over Axl's foot while practicing driving; Axl looks forward to voting; Brick binges on Halloween candy.

Frankie worries Mike is tiring of her as their 20th anniversary draws close; Sue tries to get Axl and Brick's help planning a party for their parents; Axl spoils the end of a book for Brick.

Axl and his friends, Darrin and Sean, offer to help guys break up with their girlfriends; Sue's ex-boyfriend, Matt, invites her to a Valentine's Day dance at school; Mike accidentally sends a romantic text to a co-worker instead of to Frankie.

During the Orson Centennial parade, Mike and Frankie volunteer to drive a float, Sue tries to make Darrin jealous, Axl tries to make some money, and Brick is upset over his town slogan not being chosen.

Principal Barker (Rachel Dratch) asks the parents to form carpools while the bus drivers are on strike; Axl becomes an astronomy expert so he can tutor an attractive student; Mike receives two tickets to a basketball game.

Brick makes it hard for Mike to relax during the vacation he was forced to take; Frankie is furious when she learns that Axl was in town without letting her know; Sue tries extra hard to please her customers after receiving a bad review.

Frankie and Mike run into old acquaintances, Sue gets several dates to the prom, and Brick gets Axl's help for a book report.

Sue's senior year, the "Summer of Sue," begins with the premature removal of her braces. Meanwhile, Axl finally beats Mike in basketball and Brick tries to find the perfect backpack for school.

Frankie loses her Christmas spirit, Mike unsuccessfully tries to exchange the new family Christmas tree, and a fight over Rudolph the Red Nosed Reindeer threatens to break up BossCo.

Valentine's Day aims its sights on the Heck kids when a nervous Brick finds out that his quirky girlfriend Cindy wants him to kiss her on the special day, Darrin asks Frankie and Mike to help out with an exciting scavenger hunt he's putting together for Sue, and Axl begins to question his girlfriend Devin's request that he not give her anything for what she considers to be a lame tradition.

Frankie fears that her innocent flirtation with Axl’s friend has been misinterpreted, and Frankie’s dad, Tag, secretly asks Mike to help him study for his driver’s test so that he doesn't lose his license.

Frankie is shocked when Mike trades in his flannel for a Hawaiian shirt. Sue accidentally tells Devin that Axl loves her, leading Devin to question their relationship. Brick gets overambitious while cleaning the bathroom.

At the annual homecoming tailgate, Frankie worries that her mother will ruin things, Sue takes a familiar role, Axl is sick as a dog, and Mike asks Brick to help him win the cornhole tournament.

Dreading the fact that they are always late to church and end up in the overflow room, Frankie makes the decision to have the family watch a Christmas Eve service on TV from the comfort of the Heck house. But a string of events make their evening anything but a peaceful, silent night.

Mike enlists Axl and Brick's help to throw a surprise party for Frankie's 50th birthday. Meanwhile, Sue is mocked after posting a flyer for her missing sock in the dorm laundry room; and Coach Babbitt is determined to turn Brick into an athlete after he turns in a project about how he can't play sports.

While the Hecks take Brick to his first movie in a theater, Mike and Frankie fight over a conversation with friends, Sue runs into an old crush who has some surprising news, and Axl discovers that he shared an awkward moment with a friend.

The Hecks decide to take a Spring Break vacation with the Donahues, but Frankie soon discovers that both families are going through their share of big problems.

Mike is upset that Axl is considering quitting football and losing his scholarship, Frankie does not like Sue's new activist boyfriend, and Brick struggles with the responsibilities of being an online product reviewer.

In the seventh-season finale, Frankie's determined to ensure Brick can sing at his middle-school graduation after his performance is cut; and Sue feels conflicted after learning she needs to be at Dollywood on the same day as Brick's ceremony. Meanwhile, Axl starts a new job as a country-club counselor and gets mocked by a 10-year-old version of himself.

As Halloween approaches, Frankie is taken aback when she discovers that, if the circumstances ever arose where she and Mike got divorced, the kids would all choose to live with Mike. Meanwhile, Sue tries everything in her power to get her room back from Brick, and having to be so nice around girlfriend April all of the time leads Axl to lash out at his family,

Frankie and Mike's embarrassment over forgetting Brick's birthday turns to fear when they realize it's time to teach him to drive. Sue learns something surprising from Frankie.

Frankie decides that April is not good enough to be with Axl and does anything she can to keep her out of the annual family Christmas photo. Frankie must fight for Axl's attention when he announces that he will be spending Thanksgiving with April.

The Hecks find themselves spending New Year's Day attempting to stave off a zombie apocalypse in the Orson Escape Room, desperately trying to beat the Donahue's record of getting out with more than one minute, eight seconds to spare. Meanwhile, Brick is convinced that the mild-mannered man assigned to the family's Escape Room group is really the famous author of the "Planet Nowhere" books; Sue divulges a secret about herself to Axl that's she's been keeping since childhood; and Mike is stunned when Frankie reveals that she had a romantic dream involving Frank Sinatra.

Frankie wins a free maid service for a month and is excited for the break, but the Heck household might pose a bigger challenge than she expected. Mike and Rusty's dad, Big Mike, begins to have trouble taking care of himself.

Lexie joins the Hecks for their spring break plans where she confesses to Sue that she has a crush on Axl; Mike hires Coach Babbitt as a ringer to help the quarry softball team; Frankie tries to figure out the root of an underhanded comment.

Axl is startled to run into nearly all of his former flames at a St. Patrick's Day party leaving him to wonder if it is a sign about his love life; Brick buys an old microfiche machine at a library sale, leaving Frankie and Mike less than thrilled.

Frankie looks for the gift she bought for Axl's graduation; Sue decides to make a video for Mike's birthday; Brick asks Axl to help him get in shape after Cindy saves him from a bully.

Having finally graduated college, Axl tells Frankie and Mike that he's planning on going to Europe over the summer with Kenny. Although Frankie thinks this is a great once-in-a-lifetime opportunity, Mike is less than pleased and thinks his slacker son should be putting all of his summer efforts into finding a job. Meanwhile, Sue begins to panic after she barely scrapes a parked SUV and doesn't hear back from the owner after leaving several notes on the windshield, and Brick discovers that his sudden onset of backaches is due to not sitting in his lawn chair, which was replaced by a normal kitchen-table chair.

After Frankie gives neighbor Nancy Donahue an old scarf that is just sitting around gathering dust, Nancy returns the favor by baking her a delicious apple pie. Believing she’s stumbled upon a way to get free and tasty meals, Frankie makes it her mission to find miscellaneous items around the house to give to her in exchange for some culinary delights. Meanwhile, Sue and Lexie prepare to move back into their college apartment but find that it’s been sublet to a man who refuses to leave; and Axl’s new job as the school bus driver gives him a chance to see how Brick’s high school sophomore year is treating him, and he discovers that Mike has refused to speak to Brick’s class on Career Exploration Day.

Frankie remembers she has to come up with something to place in the time capsule; Bill Norwood informs Mike that he and Paula are separating; Brick tries to win Cindy back; Axl volunteers Sue to be his personal assistant.

Frankie and Sue are devastated when Axl informs them that he's not going to church; Mike goes to war with the Glossner kids after they keep defacing his giant inflatable snowman; Brick attempts to wrap his first present.

Sue admits to Frankie that she kissed Sean Donahue at the Christmas party; Mike forces Axl and Brick to take a drive with him and Mike's dad.

It's the Orson showdown of the century when the Hecks - along with the Donahues and Bill Norwood - wage a war against the Glossners after they steal Sue's car.

In an attempt to get Frankie the best Mother's Day gift ever, Sue and Brick enter a trivia contest where they could win a trip for two to London for the upcoming royal wedding; and Axl is offered a job interview that could change his life.

After nine hilarious and heartfelt seasons, a Heck leaves the nest as the family takes a road trip to Denver, where Axl will start his new job – and new life away from home.

The series concludes as the family escorts Axl to Colorado. Meanwhile the long affair of the snow globe and its relation to Sean and Sue's relationship comes to a head.