When Tyler and Avery are given a dog that talks, they agree on one thing: Stan's ability to speak must be kept a secret from everyone, even their parents.
After Tyler gets his learner's permit, he wants to drive alone due to his parents annoying him, and everyone wanting taking advantage of him. Chaos ensues when Stan crashes the car because he wanted to be like a person, and everyone thinks Tyler did it. Meanwhile, Ellen and Bennett relive the memories they shared with Tyler and Avery when they were kids and realize that they are all grown-up, so they start cherishing memories with Chloe. In flashbacks, it is revealed that Ellen and Bennett had an ugly run-in at the park when Avery and Tyler were much younger, however they do not remember this.
Avery and her best friend, Lindsay (Kayla Maisonet), are in desperate need for a replacement to be the school mascot to perform at the homecoming game. Stan convinces Avery to let him be the school mascot, but she is worried because the rival team always pulls horrible pranks on the mascots. Meanwhile, Ellen is beyond annoyed because the car always smells horribly bad, so she persuades Bennett into buying a new car.
After Tyler develops a crush on their new neighbor, Nikki Ortiz (Denyse Tontz), he invites her to walk their dogs together. Tyler enlists Stan to be his wing-man, and to Stan's dismay, he cannot stand Nikki's Pomeranian, Evita, due to her incessant barking. Meanwhile, Chloe asks Bennett to speak at Career Day about his job, but Bennett is shocked when Chloe believes he is a sock-ologist, a person who studies socks, instead of a psychologist.
Stan has been addicted to a game called Realm of the Tower, where he has made a new friend Kilgor (Kevin). When the game-players are gathering at the park, Stan asks Avery to pretend to be him so they can go and meet his gaming companions. Meanwhile, Chloe has been begging to get her ears pierced, but Ellen and Bennett refuse to take her, so she tricks Tyler into taking her much to Ellen's dismay.
It is the family's first Christmas together and Avery is prepping Tyler, Chloe, and Stan because Ellen has a reputation of giving horrible gifts. Meanwhile, Bennett and Ellen argue over whose Christmas traditions to follow.
Ellen has decided to get a pet of her own, a talking parrot, but the rest of the family is not very comfortable with it.
After overhearing Avery talk about Stan's secret, Karl Fink (the family's neighbor) starts spying on Stan and the rest of the family to find out his secret. To make sure he doesn't find out, Avery decides to enter Tyler into a math competition against Karl after it is revealed Tyler is a math genius. The plan to divert Karl from Stan's actual secret works, and he eventually believes that there was no secret and that Avery tried to get back at him for a prank he pulled earlier. Meanwhile, Bennett tries to get Chloe to stop wearing her magician's outfit to school.
Avery, Tyler, & Chloe discover that Stan isn't talking, so they must figure out why without their parents discovering the secret.
When Stan is in charge of watching Chloe, she goes missing!
The family trains Stan to be a guard dog.
When Avery realizes that her family thinks that she is not fun, she decides to prove them wrong by making a movie with her family called "Freaky Fido".
Avery makes the cheerleading squad
Tyler enters the same art competition as Avery.
Avery has a huge crush on a boy named Dustin Pitt, and in order to spend time with him she enlists the help of Tyler, who in turn wants her to help him spend time with Nikki. Avery and Dustin end up watching a movie together and later with Stan's help, Avery tells Dustin she likes him. Dustin likes her back and asks her out. Meanwhile, Chloe and Stan play chess (Chloe's version of chess) while Tyler has a mustache glued to his face.
Tyler gets a summer job on a food truck and decides he would rather have his own truck than finish school.
Avery's boyfriend (Dustin) dumps her and Stan tells her that she should go to her mother for help. Tyler accidentally crashes the food truck when he took out the brick that holds it.
Avery, Tyler and Chloe react to the news, when Stan overhears a conversation between Ellen and Bennett about a possible new addition to the family. Bennett has the chance to become a public speaker and be rich, but the children ruin it all thinking they will have a new baby.
After Grandma hears Stan talking while babysitting the children, she begins to think that she is going crazy, prompting the children to decide whether or not they should share Stan’s secret with Grandma.
To help land an internship with a City Official, Avery agrees to a throw party at her house for the official’s demanding daughter, while keeping it a secret from her parents. Meanwhile, Bennett and Ellen attend a sleepover at the park with Chloe and her Healthy Muffins Troop.
Bennett and Ellen discover Avery's secret online 'Buddy Bop' account. When they try to shut Avery's account down, they accidentally post an embarrassing video. Meanwhile, Stan must face his past and do the tango with Chloe, to win an animal talent show. In the end, Stan loses the talent show to a talking dog.
Stan's former owner, Ian, arrives from Spokane, Washington, to reclaim Stan. He tells Stan he found his original family and they can all talk too. So Stan has to choose between his old family and his new family.
On the first day of school, Avery feels insecure when noticing her classmates' growth spurts over the summer; Tyler reveals a new haircut.
Avery arrives at school and learns that she's been left out of "ditch day."
Avery refuses to help the family with their annual haunted house.
Stan makes a video about being the world’s first talking dog to leave as his legacy, but the parents grow suspicious of what’s on the tape, so the kids must record over it. Meanwhile, Ellen decides to take a job with Stan’s veterinarian, but soon learns she may not be well suited for it.
Tyler works with Emily in the food truck and they hit it off.
After Tyler, Avery, and Chloe have to hang out with their annoying neighbor, Karl, they quickly come up with a plan to keep him away.
When Ellen's self-obsessed sister comes over, due to a flight delay to Hawaii, Avery tries to help her mom to get through the visit. Meanwhile Stan, Tyler, and Chloe attempt to hide a stray dog named Sparky in the house for Christmas.
When Avery agrees to tutor Wes in Spanish so she can hang out with him, she needs to learn Spanish herself, first. So she enlists Nikki to tell her what to say through an earpiece that she'll be wearing, but when Nikki and Tyler start arguing, Avery's still repeating everything they say.
After Avery blows her chance with Wes, she finds out he asks Lindsay on a date instead. Avery and Lindsay get in a big fight and decide to compete for Wes. Wes finds out about Avery's feelings and how she has a crush on him.
After Tyler's friendship with Nikki begins to interfere with his relationship with his girlfriend Emily, he has to make an tough choice between the two.
The constant fighting between the kids leads Stan to run away
When Tyler decides to try and get Nikki back as his girlfriend, Avery is hesitant to help him for fear of being caught between her friend and brother, but ultimately intervenes.
Avery is excited to attend the school dance with Wes and secretly seeks dance lessons from her neighbor, Karl. However, things do not turn out as planned when Wes becomes suspicious of Avery spending so much time with Karl.
Stan unintentionally gets Avery and Wes to break up and try to get them back together.
When Stan acts up, Ellen hires strict animal instructor Cherri Pickford to help train him. When Stan does not comply, Ellen goes against the kids' wishes and demands he stay outside.
Avery doesn't understand why Wes is keeping his distance, but ultimately learns he is nervous to tell her that he is moving away.
Avery, Tyler and Chloe try to plan something special for their parents' upcoming anniversary.
Tyler makes a commercial for his boss' food truck business.
Avery and Ellen go on a mother/daughter trip and leaves Bennett in charge of getting Chloe ready for her dance recital.
Avery learns she's been selected to create a float for her town's parade and is excited to spend some quality time with her father to build it. Meanwhile, Chloe watches a sci-fi movie that leads her to believe her family is being taken over by aliens and that the parede float they are costructing is really a spaceship
Wealthy business tycoon Tom Fairbanks wants to buy Stan from the James-Jennings family to use him as a spokes-dog for his animal rescue campaign. Fearful that Bennett and Ellen might say yes, Avery, Tyler and Chloe hire actors to play their parents and turn down the offer before they are approached.
Stan uses a computerized robot to go to school with Avery and Tyler where he feels pressured into deciding if he should join Avery or Tyler’s social circle.
Karl, the James-Jennings’ family neighbor, reveals to the kids that he knows Stan’s secret.
Stan's blog is accidentally submitted as Bennett's latest book and the kids must work together to protect Stan's secret.
On Avery's first day of high school, Tyler ropes her into his senior prank that ultimately gets them both expelled.
When Ellen and Bennett overhear Stan talking, the kids go to great lengths to convince their parents the house is haunted to help keep Stan's secret.
When Tyler is invited to join a professional freestyle BMX team, he enlists Avery as a tutor to try and help him graduate early.
Stan has a crush on the new neighborhood dog, Princess, but he has to figure out how to get past her owner, who is a pretentious schoolmate of Avery's.
Though Avery 's assignments are perfectly executed, she misses the true point in her life skills class and receives a disappointing grade.
In an effort to teach the James-Jennings kids the true meaning behind Christmas, Stan hides all of the holiday presents from the family, ultimately teaching them a greater lesson about giving back to others.
Avery's feelings are hurt when she realizes Max doesn't like her designs. Meanwhile, Stan gets a makeover to impress his new girlfriend.
Avery becomes worried when she has a recurring dream that she and Karl are boyfriend and girlfriend. Meanwhile, Chloe wants to give up choir to become a BMX bike rider like Tyler.
Stan enters a fashion show wearing one of Avery's designs. Meanwhile, Tyler takes an unforeseen trip.
Avery, and her best friends, Max and Lindsay, all discover they're dating the same guy. Meanwhile, Tyler is accused of cheating and must prove his innocence.
Avery becomes jealous when Stan spends the night at Karl's house. Meanwhile, Bennett gets Chloe hooked on wrestling.
The kids turn to Bennett for psychological advice when Stan starts talking in his sleep.
Stan is getting married to Princess, and to help fund the event the family submits the wedding to the "Wacky Jackie" television show, a reality program in which Jackie, a wealthy teen, spends her own money to pay for wacky and fun stunts.,
When no one signs-up to run against Avery for President, she convinces Max to run against her.
Stan is nervous and thrilled to learn that he's becoming a dad after he discovers that Princess is pregnant with puppies.
Chloe discovers that Avery uses her to get close to a boy she likes. Meanwhile, Tyler pretends to go to a competition rather than telling the family he didn't qualify.
Avery, Tyler and Chloe discover that Gracie and Freddy can talk, just like their dad Stan.
After becoming a part of Avery’s circle of friends, Karl secretly begins dating Max.
When Avery’s latest design gets ruined before a big fashion show, she must get to the bottom of who destroyed the dress.
Princess’s owner want to take her away to summer camp, but Stan devises a plan to keep his family together.
After accidentally ruining Ellen’s new couch, Stan wishes he’d never been a part of the family and wonders what it would have been like if he had been a cat instead.
After running over a neighbor's lawn gnome, Avery asks Tyler to help her prep for her driving test. Meanwhile, Chloe's afraid that getting older will jeopardize her title as "the cute one."
Ellen and Bennett find out that Stan can talk, and shortly after the entire James-Jennings family is taken hostage by the U.S. Space Command's Alien Division. Together, the Jennings-James family must work together and devise an escape plan, all while protecting Stan.
