She wants to add a slushy machine to the store, but after her father disapproves its $500 price tag, she unveils her cost-efficient alternative, the slushinator, powered by bicycles which she hires Lewie and Beast to pedal.
Ellie arrives early for the party, but Harley's sleepover plans do not go smoothly as she deals with Rachel getting grounded, as well as Ethan and Georgie getting tricked at an event for unique basketball shoes.
Guest stars: Lulu Lambros as Ellie Peters, Farrah Mackenzie as Sweet Girl While Tom is away at Georgie's basketball tournament, Suzy runs the marina store.
Harley and Ethan soon discover that Suzy's lack of friends—including not staying in touch with her old ones—is causing her to cling a lot to the family, so the two use an online site to connect their mother with a new friend who also lives in Marshport.
She turns the pedicab back over to Ethan for his tours, after which the two happen to spot singer Rachel Platten, the surprise celebrity guest for the tricentennial parade, who needs a ride to her float.
With the children's options exhausted, Harley is faced with delivering the unpleasant news until she sees that she can pay off the bill if she and her family participate in the park's annual "aqualympics" and win, the prize being $1,000.
Difficulties arise while Ethan is filming, including Daphne's being jinxed by Lewie and Beast, Rachel and Suzy's trying to buy Adele concert tickets, and Georgie's looking after her coach's pet parrot Leo.
Rachel wanted the right outfit for her picture and resorted to searching for a top in lost and found boxes, while Ethan celebrated the return of sloppy joe to the cafeteria menu, hoping a food fight would not erupt.
Guest stars: Gabriel Tigerman as Phil, Brooke Singleton as Girl As the Diaz family prepares for their annual garage sale, Harley is not enthusiastic about it because she is always left to organize the event.
Guest stars: Adam Hochstetter as Wyatt, Matt Lowe as Dumpster Jack, Shana Gregory Williams as Proctor Suzy gets fed up when the children are not paying attention or helping her with the groceries, so she confiscates all their electronic devices and wants the family to come together without the technology-based distractions for two days.
Brown as Mr. Kibbenshaw, Richard Fancy as Larry Harley seeks Troy Havana to finance her latest invention, the floor finder, and asks Rachel to drive her to Boston, where he is holding a meet-and-greet.
To avoid paying a $500 fine and going to traffic school, Rachel schemes to fool Suzy into thinking she ran a red light in Rhode Island, with Lewie and Beast's help, but it backfires when she finds out.
Guest star: Morgan West as Colt Bailey When the Morelands need a new babysitter for their triplets, Harley feels she is ready for the job based on her experience with Daphne, Lewie and Beast.
She gets an opportunity to show she can handle the babysitting duty full-time when Suzy and Tom attend a neighborhood association meeting next door at Bethany Peters' house, and Rachel heads to a beach party with Ethan and Georgie.
Special guest star: Laurie Hernandez as herself As the Diaz family prepares their home for Christmas, Harley needs to know how long to steam pasteles and winds up calling Abuela to find out.
As the Diaz family gets ready to leave, Tom sees a penny he hopes will bring good luck, but as he picks it up, the contents of his pouch, which includes their money, credit cards and electronic devices, falls into the camp fire.
Guest stars: Olga Merediz as Abuela, Steve Monroe as Buddy Burtz, Stephen Kramer Glickman as Benny, Judy Kain as Mrs. McDoogan, Eileen O'Connell as Marla, Ron G as Rental Agent, Troy Blendell as Roger, Chloe Perrin as Joyanne, Patrick Faucette as Cop When Rachel starts acting unusually generous, her siblings become suspicious.
The internship starts much sooner than the family was expecting Rachel to leave for college, and she needs the support of her siblings to help with breaking the news to Suzy and Tom, but Daphne and the twins are not on board.
When faced with resolving two problems her other siblings bring up—Ethan's struggles dating Chloe, and how Lewie and Daphne should handle Beast after he reveals the truth about Rachel's "blackmail book"—Harley winds up giving the wrong advice.
Guest stars: Lauren Pritchard as Bethany Peters, Joshua Bassett as Aidan Harley feels like a third wheel in Georgie and Wyatt's relationship, as she is involved in making their decisions.
Also, Harley is creating and testing a heart-monitor-based lie detector while not solving Georgie and Wyatt's problems, wanting to know who has stolen Valentine's Day candy she received as a present from Abuela.
Guest stars: Joshua Bassett as Aidan, Adam Hochstetter as Wyatt Harley wants to win a science contest, but Mr. Delorco is considering another student for it, so she needs to prove to him she belongs there.
Guest stars: Peter Breitmayer as Mr. Delorco, Jeremy Guskin as Eddie Harley organizes an investigation into the robbery of her father's Bait and Bite store and has Ethan, Daphne, Lewie and Beast helping.
Guest stars: Olga Merediz as Abuela, Joshua Bassett as Aidan, Alana Baer as Chloe, Brandon Black as Greg The Diaz children want to spend their spring break on vacation rather than cleaning their father's Bait and Bite store.
After Tom signs the papers transferring ownership, a serious mishap at the hands of Daphne, Lewie and Beast angers Mr. Pillman, who reveals his plan to build another yacht club where the Bait and Bite is standing.
Guest stars: Audrey Moore as Coach Heller, Coryn Mabalot as Jo, Lance Lim as Kevin Casey Ethan hopes that Shane Coleman, the "zombie king", will view his horror film, and the Diaz family prepares a weekend premiere party for the occasion.
Guest stars: Joshua Bassett as Aidan, Curt Mega as Shane Coleman Harley is eager to see Neil deGrasse Tyson in Boston, but Daphne wants to have a sleepover.
Guest stars: Lauren Pritchard as Bethany Peters, Callan Farris as Norman Harley accompanies Lewie and Beast to a wrestling convention, and their neighbor Aidan also comes along.
Guest stars: Shane Hartline as Chaz, Brenda Ballard as Ruby, Paul Goetz as Customer, Nick Youssef as Crimson Coupe To keep her best friend from missing her quinceañera, Harley helps Ellie with a school project.
Special guest star: Ronni Hawk as Rachel Diaz Ethan disguises himself as a Mega Mart employee named Boris and helps an old lady carry a giant teddy bear for her grandniece's birthday party.