Preparing to receive an award, Harley struggles to figure out a way to ensure her family's timely attendance as they are reistant to leaving the house.
Harley plans to use her parents' forgetfulness of her birthday to ensure that their guilt will drive them to give her the coolest gift.
In need of a new tablet, Harley resorts to an inventive plan to raise the necessary money: host a foreign exchange student on their couch.
Suzy's attempt to replicate Harley's methods while dealing with companies ends up costing the family their internet connection. Cut off the internet, the family heads to the movie, even though Harley is late on a school project.
Hopeful of joining her family in creating an event for the neighborhood's block party, Harley finds herself over her head as she struggles to come up with a proper idea.
With Harley starting her new job at her father's marina store, she creates a slushy machine to boost the business.
Fed up with her siblings sharing credit for their joint Mother's Day gift, Harley decides that she will get her mother a separate gift this year, a notion that ends with unexpected consequences.
With a comet passing overhead, Harley seizes the opportunity to invite her friends to an outdoor slumber party.
With her father out of town, Harley's mother becomes too attached to her, and in order to make up for his absence, Harley tries to find her a new friend.
Fed up with the constant presence of Rachel's boyfriend Cuff at their house, Harley tries to find a way to make him leave.
Harley tries to help Georgie with her sports pursuits. Suzy responds to the children's complaints about her food by issuing them a cooking challenge.
Home alone, the children get up to a lot of mischief. Rachel and Harley enjoy a moment of sisterly bonding.
When Ethan invests with Harely on her latest invention, a pedicab that can take the children wherever they want, she reluctantly shares her invention with him.
Daphne gets Harley grounded, leaving the latter to plan a way to expose Daphne's real character.
With an inventor's contest coming up, Harely is forced to enlist Rachel's help to drive her to Boston since her parents are preoccupied with other responsibilities.
With her quinceañera coming up, a reluctant Georgie needs to be convinced to have her party, but the family's plans might get derailed by a massive hurricane.
A guest appearance for Harley develops into a rare opportunity for the Diaz family to be the stars of a reality show.