When Boy bakes cookies for his pen pal, Gretchen, but refuses to share them with anybody else, the rest of the family hatch a plan to get their hands on them without Boy knowing.
Girl enters a cosplay costume contest to win a trophy and meet her favourite TV star, but needs somebody to wear the back end of her enormous costume.
When Cheese accidentally begins writing her new fantasy novel inside Boy's diary, Boy is inspired to live out the life of the novel's great hero! By applying the story to his life, Boy is soon one of the cool kids, making Girl jealous. When she sees Cheese's novel-writing is the cause, Girl helps her write the next chapter to take Boy down a peg or two.
Mouse buys a videogame that is supposed to teach the family teamwork. But all they do is bicker as they play!
The family is going on a canoe trip, and Boy and Girl are each allowed to bring a friend. For Girl, the choice is easy - she invites her BFF. But Boy realizes he doesn’t really have any friends outside his own family. The rest of the siblings set out to help Boy find a friend for the canoe trip - but can he overcome his shyness?
Mum and Dad go out, leaving Boy in charge of the house
While riding their scooters at the park, the bickering kids meet the Smiths. A brother and sister who don't seem to argue like our gang does - in fact, the two Smiths are super-supportive of each other! When they start pushing the other kids around, Boy, Girl, Dog, Cat, Mouse and Cheese challenge the Smiths to a race around the park! But our heroes have one problem - Cat doesn't know how to ride a scooter! The kids take turns teaching her and, when race day comes, Cat will really need to kick it into high gear if she wants to help the family beat those smug Smiths!
When the boys and girls get sick of having to share the bathroom, they split it into two! The girls' side becomes one big party with no rules, but on the boys' side Dog makes many rules! Boy and Mouse hate it, but they don't want to hurt Dog's feelings. Girl tries to lure them over to the girls' side with all the things they love to play with. Eventually Boy and Mouse sneak over to the girls' side to join in the fun - until Dog confronts them.
With Boy's new help-for-hire business booming, he overworks his unpaid employee, Dog, without realizing. Girl sets out to teach Dog a lesson about standing up for himself.
Mouse wants the other kids to stop being lazy and achieve some goals - in the form of breaking world records. With Mouse's relentless coaching, the family soon gets carried away.
When one of Mouse’s inventions accidentally sticks Cat’s discarded fur to Boy’s face, his new 'beard' suddenly makes him the most popular kid in school.
The kids watch a scary old horror movie where a character speaks a certain ancient-language phrase meant to curse the victims to the shadow realm. That phrase? Greb-nefual e-neg! The movie scares some of the kids, but Girl calls it all a bunch of hocus-pocus and speaks the phrase aloud herself. Nothing happens. But one by one, the siblings start disappearing, leaving only a superstitious Boy.
The family have been telling their deepest, darkest secrets to Cat for years. But when Cat finds one of Mouse’s inventions that gives her intelligence and speech, she threatens to tell all their secrets if they don't do everything she asks. The kids must decide between living under their feline pharaoh's thumb or confessing their secrets to each other.
Mum and Dad take the TV away until the kids learn to behave, and the siblings realise they need some rules. Mouse is the judge and decides how to settle family arguments, putting wrongdoers into a homemade jail. However, when Mouse also behaves badly, he puts himself in jail and the family realise they are all locked in!
Girl is failing science class, so Mouse offers to help her learn. However, Girl decides it will be easier to borrow one of his inventions and cheat instead. Everything is going to plan until the borrowed invention goes wrong and causes a scientific calamity!
When Mouse accidentally saves Cheese's life from a toppling tree, a grateful Cheese becomes determined to thank him by doing everything she can for him. But Cheese is soon bothering Mouse all the time and her endless caring is becoming too much, causing Boy and Girl to hatch a plan to even things out
Dog decides to show the family that he can be as tough as the wolves they are watching on TV. He joins a gang of street dogs and soon becomes leader of the pack. Meanwhile, the rest of the kids worry when Dog doesn’t come home and go out looking for him. However, they find that he is now too cool to be part of the 'old' family - until he is forced to make a choice between loyalty to the pack and loyalty to his best friend Boy.
Boy is ecstatic to go on a tour of the bobbleheads factory, but the rest of the kids are bored and cross because the brochure lied. So they secretly make a one-of-a-kind bobblehead just for Boy.
The Girls and the Boys compete to get to the top of Bear Mountain, using very different styles of camping. But when the legendary bear appears, they have to team up to survive.
When Mouse brings home an old ice cream truck, the kids start their own smoothie business. However, the town's lovable ice cream man, Uncle Bub, isn't happy about the competition.
Cheese and Dog are teasing each other about the things they like to do. However, trying out each other's interests causes them to realise what they’ve been missing out on.
Since she doesn't have a birthday, Cheese demands a big party every year. However, this year her siblings couldn’t be bothered to organise it and it's a complete flop. How can the kids make it up to Cheese?
When the family visits a farm, Cheese bonds with Delilah the cow over all things dairy. However, bringing her home to live with the family leads to all sorts of problems!
Mouse is tested on his experiment to create the perfect family and is sure he will fail! However, his siblings convince him to hire actors to play perfect versions of themselves.
Cat decides that she wants to become a superhero, and the other kids decide to help her follow her dream. Girl makes her a cool costume and Mouse creates some superhero gadgets, now all Cat has to do is find somebody to save!
The siblings try to break their annoying habits for the sake of family peace. At first they offer each other support, but then one-by-one they start to give up. Only Boy and Girl keep going, but can they make it to the end of 24 hours?
Mouse has built a rocket ship, and fame-seeker Cheese and excitable Dog decide they want to be the first ones to land on Mars. It would be way too dangerous to actually send these two into space, so Mouse stages a fake Mars landing with the help of the others. But when our two astronauts capture the 'aliens', everyone ends up stranded far far away from home. Like, a 15 minute walk at least.
When the family signs up for the neighbourhood watch, Dog is excited to relive his police dog days. However, when Old Lady McGuire’s stinky camembert cheese is taken, Dog’s investigations lead him back home
When the kids won't stop being loud, Mouse uses an invention that causes the others to swap voices so they can hear how irritating they sound. At first the kids have fun with each other’s voices, using them to playing tricks - but how will Boy get through school when all he can say is ‘meow’?
When Boy, Girl and Cheese learn that their animal siblings have a tough time going through life with their unwieldy tails, they want to understand what it's like. So Mouse builds them mechanical tails to wear, and the three soon learn just how hard it is to do simple tasks. However, they come to master their tails well enough to attend the Curling Tail festival, where all tailed animals celebrate themselves. But when the kids turn their tails to full power to fit in better, they go haywire! They're now in danger of ruining the festival and being discovered as frauds!
A dog show is coming up, and cool prizes are given to the winning dog and its trainer. Cheese, Girl and Mouse all have great ideas for how to train Dog for the grand finale. And if Dog picks one of their finales, that sibling gets to be the trainer who shares in the prize! Boy also wants to help but gets shunned for having a less impressive idea on how to win. The contest arrives, but Dog is torn when it comes to his finale. Whose idea does he choose? Can Boy jump in with his 'unimpressive' idea and help save the day?
On a dark and stormy night, the kids tell a scary story about local legend Big Bad Ben! Mouse says he doesn't exist, but when a dark figure arrives at the house, they all believe it's Big Bad Ben - even Mouse! Who is this stranger in the storm? Can they work together to protect themselves? And, hang on, didn’t Cheese order pizza?
After her siblings accidentally insult her dreams of being a pop star, Cheese is bonked on the head and starts to believe she's a huge celebrity! Mouse says they all must play along, because if they ruin the illusion then there's a chance Cheese could go bonkers. Cheese turns into a diva, making outrageous demands from her siblings, and soon enough they're sick of it. But when they learn she was duping them all along, they set out to teach her a lesson...
The kids accidentally destroy a beloved family photo and decide to make it up to Mom and Dad by hiring a photographer to take a new one.
Stevie Smith challenges Boy in the mini-golf tournament. However, as they practice, they actually become fast friends and neglect their training to hang out! When the contest arrives, it is revealed Stevie was only pretending to be Boy's friend to keep him from practicing! But maybe Boy has a trick of his own up his sleeve...
Suddenly feeling too old to be collecting toys, Boy gives up his bobbleheads and decides to do the things that grown-ups do instead. The others desperately try to turn Boy back into his slightly more interesting self by taking him to meet the owner of the world's biggest collection of bobble heads, where Boy must choose between what he thinks is cool and what he loves.
Boy realises that the family doesn’t have any kind of safety drill to use in an emergency, so he decides to train the family to become a well-oiled safety machine. But with the kids so busy practising the new drill, nobody hears the news about an escaped lion heading their way...
When Cat coughs up a magic hairball, the siblings use it to make all their decisions for them. However, when the hairball leads them to give away all their possessions, they realise it might not be so magical after all.
Sick of being overlooked by the family because of his small size, Mouse builds an invention to make him grow. However, the bigger he gets, the more unintentionally destructive he becomes, and now the family needs to shrink him back to normal before he accidentally destroys them all!
Boy's nose makes a weird whistling sound when he is asleep, which is no big deal until it is captured on video and goes viral - but is this new-found popularity a good thing?
With the rest of the gang sick, Mouse builds himself his own bubble to avoid contacting germs but the rest of the family wants one too that it eventually leads to them getting one and considering using it as part of their everyday route that they don't want to leave their bubbles ever to avoid getting sick again.
The kids' mean neighbour, Wanda, has started enforcing a dogs-on-leashes law. Boy, Girl, Cheese and Mouse each come up with ideas about how to show that Dog is special and doesn’t need a leash.
Girl decides to write her school project about Cat as she is so mysterious and it would nice to know more about her. The gang decides to help, and soon everyone is following Cat from a distance.
After a bad haircut, Dog tries wearing a fancy tuxedo until his fur grows back. Unfortunately, his initial reaction to wearing clothes causes him and the gang to accidentally destroy the rich neighbour lady's fence. But while the others are forced to rebuild it, the neighbour lady gives tuxedo-clad Dog a pass, thinking someone of his style and class is too good for manual labor. Resentment grows as the gang breaks their backs in the hot sun while Dog lives the good life with the fancy lady. How long can this go on?
Girl borrows Mouse's latest invention to entertain her siblings. It's all fun and games until the innocuous blob threatens to engulf the whole family.
Mouse is bored of always doing the same things the same way, so Girl suggests he starts thinking outside the box and live his life differently.
The kids rally to help when Dog admits he is colour blind. Mouse makes him some colour-correction glasses and Dog is blown away by colour, inspiring him to become an artist.
Lila has a brand new vlog that goes viral in school. Girl doesn’t like seeing her nasty rival have such success and so begins filming her own vlog about her family’s real life.
When Lady Burlington's precious jewels are stolen, the kids believe that Cat was the unwitting thief and didn't know that she was stealing. They try to put things right by returning the valuables and teaching Cat the error of her ways. However, with Lady Burlington’s security guard searching for the burglar, the kids find their task way trickier than anticipated.
One day, the kids answer the door to find Wedgie, Cheese's missing piece! Wedgie is happy to have finally found her family, but she is so cute that Cheese gets jealous. Things only get worse when Wedgie starts accusing Cheese of being mean to her.
When Gramps comes to stay, the kids tell him the story of how Mum and Dad almost didn’t get married. When the kids first met each other, neither family could get used to the other’s funny ways and just didn’t get along. They fought so much that the wedding planner quit! Will the six kids figure out a way to be a family, or will Mum and Dad be forced to call off their wedding?
Cheese takes up the bagpipes and, while nobody else can stand the sound, a group of squirrels becomes strangely entranced by it. They like it so much that they follow Cheese wherever she goes and grow restless, whiny and destructive whenever she tries to stop playing. Can the gang help poor Cheese get her old quiet life back?
The kids are spending a fun day with Gramps, but Boy and Girl are so absorbed in a new game they are playing that they don’t get into the swing of the activities he has planned. They try to put it right when they realise that this has hurt Gramps’s feelings, but end up putting all the kids in danger!
Boy is afraid of being honest in case he hurts other people's feelings and finds himself doing things he doesn’t like just to keep others happy. Mouse and Cheese encourage him to be totally honest, only to find that Boy’s total honesty can be rather blunt. Can the gang rein him in before Boy alienates the entire town?
Girl and Cheese choose Cat to DJ the family's upcoming party. However, Boy, Dog and Mouse think Cat will become the focus of the party that's supposed to be for all of them.
When Dog's rivalry with the mail woman comes to a head, she goes on leave - which means none of the siblings will get the important package they ordered.
Girl hears that Lila secretly thinks she is great and tries to get her to admit it.
The kids start upcycling broken items for people in town. However, things go wrong when Cheese focuses on making things look cool rather than fixing them.
Gramps gets an offer to leave town for a whole year to go on an adventurous trek, but the kids would miss him and try to convince him to stay.
When Doozie Smoothies want to find a face to advertise their new range, Cheese is keen to enter the photo competition, with Dog’s help as photographer.
When Cheese realizes she hasn't done half of what her idol, Posh, has accomplished, she tries to catch up by imitating everything Posh does - but things go very wrong.
When Adeline quits due to artistic differences, Cheese is hired as director of the annual town founders' play. The family is happy to help, but Cheese soon turns super-bossy!
Gramps tells the kids about a heavenly clearing in the woods, and they decide to make it their hang-out spot for the summer. However, the Smith twins find out about it too!
The gang want to win theme park tickets that are up for grabs in a robot fighting contest. They ask to use Mouse’s unbeatable robot, but he prefers to help them build their own.
Mum and the girls have an annual day where they do a bunch of fun stuff together. However, this year, Mum invites the boys and Dad to join them too.
The kids are excited about attending spy camp! However, their trainer is a bit of a dud, and the siblings are disappointed not to learn anything.
The CEO buys Jocko’s old amusement arcade and vows to tear it down. However, Boy loves the arcade and challenges her to an epic video game battle with the fate of the arcade at stake!