Avid inventor Harley is all set to accept a community award, but must first devise a way to get her family out of the house and to the ceremony on time.
Harley's parents forget her birthday, so she devises a plan to use their guilt as a way to get the ultimate birthday gift.
To raise money to replace her family's broken tablet, Harley decides to rent out the family's couch to a foreign exchange student.
When Harley procrastinates on finishing her Science project, it inadvertently leads to the WIFI going out, leading her entire family to head out to the movies.
Harley decides to go solo on a Mother's Day gift, rather than include the rest of her siblings.
Harley decides to host an outside slumber party to watch a passing comet with her friends.
When Dad goes out of town, Harley must find her mom a new friend after she becomes overly clingy.
After Cuff makes himself at home, Harley finds a way to get Cuff out of the house by getting him a job.
With basketball season over, Harley helps Georgie secure a spot on the golf team; mom puts the kids up to a cooking challenge when they complain about her food.
The Diaz family jumps in, slides down and wades right into the metaphorical deep end of a family vacation when Harley's winning invention scores the family a free trip to a waterpark.
Harley and Ethan partner up to make a TV commercial for their dad's store.
It's school picture day and in true Diaz fashion, things go awry for Rachel, Georgie, Ethan and Harley.
Harley’s Slushy Shack faces new competition which escalates into a full-scale slushy war.
Hoping for enough money to buy an above-ground pool, the kids work together to pull off a garage sale.
The Diaz kids team up to save their family holiday traditions from disappearing.
After discovering a shocking truth about Beast's birthday, Harley throws him an epic party that causes a rift between the twins.
The kids must entertain themselves for an entire weekend without using technology or devices.
Harley, Rachel, Georgie and Ethan attend their school spring formal dance, while Lewie and Beast camp out at home in the backyard.
Harley tries to save Ellie from boarding school.
Harley and Suzy volunteer at a local retirement community.
Harley enters Daphne and Dad in a TV dancing competition in hopes of getting her latest invention noticed by a famous entrepreneur.
The Diaz family hosts Olympic medalist, Laurie Hernandez, for a dinner that spins out of control.
When the parents leave it up to the kids to decide who will move into the new bedroom in the attic, the kids compete in a "Diaz Decathlon."
The girls have to share their room with Daphne after her playhouse is thrown away.
Harley befriends the new girl in school, but the friendship becomes strained when Ethan befriends her too.
It's Halloween and Harley is determined to prank Rachel, the one person in the Diaz family she's never been able to scare.
When a superstar fisherman shows up at the Bait and Bite looking for a place to stay, Harley decides this is the perfect opportunity to raise money for a dream family vacation.
Harley tries to prove her babysitting skills by watching Beast, Lewie and Daphne on her own.
It's the annual family awards night celebrating the best, worst, funniest and most Diaz‐y moments of the past year.
Harley rallies her siblings and parents to take a trip to Florida to celebrate Christmas with their abuela, but in true Diaz fashion, things go awry. One rerouted flight, an unintended pit stop and a damaged rockstar tour bus later, the Diazes find themselves stranded in a small town without phones, credit cards or money, where they must compete with the town residents in an "Iron Elf" competition to get their bus repaired and make it to Abuela's in time for Christmas.
Harley and Georgie discover that Rachel may leave home for college earlier than expected.
As the Diazes cope with their new family dynamics, Ethan reluctantly asks his sisters for advice on girls.
As Harley tries to raise money, by running a day camp for the neighborhood kids, in the Diaz backyard, she finds herself distracted by the new neighbor, Ellie's irritating cousin, Aiden.
Harley and Suzy come up with a new way to get along with their neighbors.
Georgie enlists Harley’s help to break up with Wyatt.
Harley's latest invention causes havoc in science class.
When the Bait N' Bite is robbed, the Diaz kids use their resources to track down the culprit.
Under Abuela's watch for the weekend, the Diaz kids are committed to making her visit disaster-free, that is, until Harley learns that Ethan spilled her deepest secret.
Spring vacation, here the Diazes come! The Diaz's must deliver a luxury yacht. They live it up until they dock at the port next to the dreaded Pillman family.
When Georgie fails to make the basketball team this year, Harley helps her cultivate a new passion instead.
Harley goes all out to convince popular neighborhood blogger, Shane Coleman, to feature Ethan's latest film project about Zombies.
Harley learns that her opportunity to meet one of her scientific heroes depends upon her ability to rein in Daphne. Meanwhile, Ethan faces some hard decisions in forming a band for the Marshport Seafood Festival.
Harley builds an escape room in an effort to bond with her siblings.
As the Diazes visit Boston, Harley and the twins go to a wrestling event, while Suzy and Georgie scheme to get Rachel's name on TV.
After scheming and plotting to uncover the perfect gift for a certain someone, Harley is dismayed that the recipient is less than enthusiastic upon receiving the result.
When the family car rolls into the garage and causes severe damage, Tom and Suzy look for a culprit; Ethan and Harley don't have alibis, so they head to Diaz Court.
Harley discovers that the confusing circumstances surrounding the time she was born literally cost her dad the vehicle of his dreams, now more than fifteen years later, she attempts to rectify the situation on his birthday.
Ellie volunteers to be the videographer at Harley's upcoming quinceanera, except she does not have a good track record.
It's quince day! Harley enlists the help of the Littles to tackle what's left of her Buck-Kid List before she becomes an official adult.
As the Diaz family prepares to shop at Mega Mart, its store manager Rodney is keeping an eye on them as they have two strikes against them for past mischief. With a third strike, he can ban the family from the store and highlight them on the store's wall of shame. If the children can avoid getting into trouble, Suzy and Tom are promising each of them a family-sized pizza. Harley develops a way to communicate with her siblings around the store, using Tom's old cell phones which also serve as a source for live-streaming.
Ethan disguises himself as a Mega Mart employee named Boris. Meanwhile, Lewie and Beast are sampling some barbecue chicken tenders and each decide to sample one for Ethan. The twins get busted by Rodney for oversampling.
Georgie tries an unsuccessful move to get lettuce for Harley which ends with her crashing into a box of pillows. Daphne sees a huge cake and decides to take ownership by sitting on it as part of her "You butt it, you buy it." Rodney gets hold of both Georgie and Daphne.
Rachel uses a store camera to broadcast herself across Mega Mart and to The Squad. Rodney sees her and attempts to grab the camera from her, but the camera breaks and Rodney rips his pants. It is the third strike Rodney was looking for to ban the Diaz family from Mega Mart.
Harley and Ethan, as Boris, organize an attempt to get their siblings out of trouble. They distract Rodney briefly, but he spots the Diaz children trying to escape.
Harley makes one last effort to divert Rodney's attention so the entire family can leave the store unscathed. Rodney catches up to them though and bans them. When Suzy confronts him about his customer relations, pointing out she was watching the children's live streams as they were getting caught, Rodney retracts his ban. Harley and her siblings celebrate, only to realize they will not be getting any pizza because Suzy reminded them that she watched their live streams. This disappoints the children and Tom.
