Episode 1 | Atlantica Day/A Winner's Spirit

Ariel composes a celebratory song for Atlantica, but her overzealous efforts to assist Flounder in the All-Atlantica Swim Race teach her the value of letting friends progress at their own pace.

Episode 2 | Ursula's Magic Camp/Fernie's Notebook

When Lucia wants to earn a badge at Ursula's Magic Camp, Ariel and Ursula help her learn that keeping things small and simple is the best way to reach her goal; Fernie worries he won't do a good job in the Open Market Show and Tel...

Episode 3 | Crystal Cavern Caper/A Banner Moment

Ariel tries to stop a pesky hermit crab from stealing her land treasures; when Ariel is tasked with being the royal banner carrier for Atlantica's parade, she thinks it's a small job and doesn't take it seriously.

Episode 4 | The Endless Sleepover / Daddy Daughter Dinner

When Ariel doesn't want to sleep at a sleepover, she asks her Tantie Ursula to use magic to stop time so that bedtime never comes; Ariel learns the importance of family time when she misses a special dinner with King Triton.

Episode 5 | Copy Catfish/Happy Crabby Day

Ariel grows frustrated when her little cousin Jewels visits and won't stop copying her; when King Triton declares Happy Crabby Day as a day off for all crabs, Sebastian must try to relax.

Episode 6 | Smoothie Shake-Up/Family Picture Day

Ariel and her friends volunteer to run Ravi's Juice Stand while he's away, but their lack of communication stirs up a big mess; Ariel tries to help Ayanna with a hair emergency on their family picture day.

Episode 7 | The Cuttlebaby Sitter/Flounder the Leader

Ariel volunteers to watch cuttlebaby eggs to prove that she's a good babysitter; Flounder is chosen as the team coach for the Royal Family Cricket Game.

Episode 8 | The Clean Team/Clamming Up

Despite King Triton's warning, Ariel uses magic to clean her room; Ariel and her friends befriend a shy clam.

Episode 9 | The Singing Dolphin/The Happy Patty Clap

Ariel and her friends can't find a role for Delfino the dolphin in their band; when Ayanna is unable to compete in the Clap Game competition, Ariel steps in so that Alanna can still participate.

Episode 10 | Ravi and Navi/Chef Flounder

Ariel helps Ravi and his best friend Navi clear up a misunderstanding; Flounder uses his cooking skills to help other chefs at the Atlantica Food Festival.

Episode 11 | The Brave Little Goby/Kid Triton

Ariel befriends a little Goby fish who wants to go on adventures like her; Triton accidentally drinks Lucia's magical potion, which turns him into a kid.

Episode 12 | Ariel's Tall Mer-Tale/Remy, the Houseguest

Antie Chantale, a marine biologist, comes to visit, and Ariel feels left out when she bonds with Fernie over fish facts; Ariel invites a lost remora named Remy to stay at her Crystal Cavern.

Episode 13 | La Sirenusca/Substitute Sebastian

Ariel tracks down a mythological sea creature; Ariel and friends get a substitute teacher in music class.

Episode 14 | The Kite Monster Legend/The Spooky Mirror Trick

When Fernie doesn't believe in the Kite Monster legend like his friends do, he starts to ruin their fun; Flounder uses Ursula's magic mirror to play a trick on his friends.

Episode 15 | Fernie's Dra Konfó/Lucia, Lucia, Lucia!

When Fernie forgets his comfort blanket at home, he puts on a brave face in front of his friends by saying he doesn't need it to fall asleep; Lucia makes two other versions of herself so she can be at three different playdates at ...

Episode 16 | The Lost Dogfish/Swim Scouts

Ariel really wants to keep a lost dogfish that she finds; a visiting mer-boy joins Ariel and friends on a Swim Scouts field trip.

Episode 17 | Daddy Daughter Adventure Day/Rainbow Sea Caves

Ariel and Triton spend Daddy Daughter Adventure Day together; Ariel and her friends explore the Rainbow Sea Caves.

Episode 18 | Flounder's Christmas Letter/Holiday Toy Box Trouble

When Flounder forgets to send his Christmas letter to Santa Mer-Claus, Ariel and her friends go on a holiday adventure to deliver the letter to him; Sebastian accidentally donates the box of toys that Ariel wants to keep.

Episode 19 | The Great Big Garden Show/The Sea Sniffles

Ariel gives her plant magic food to make it grow for the Great Big Garden Show; Flounder fakes being sick.

Episode 20 | Razzle Dazzle/Fernie's Float

When Lucia helps Ursula with a new magic spell, she creates magical mayhem; Ariel and her friends are tasked with building a float for Ravi's latest juice drink.

Episode 21 | Jewels the Winner/Abuelita's Shawl

Jewels brings down the fun; Lucia gifts a new shawl to her Abuelita.

Episode 22 | A Magical Achoo!/Are We There Yet?

Ursula gets sick; Ariel and family take a road trip.

Episode 23 | Best in Ebb & Flo/Me, My Shell, and I

Ebb and Flo compete; Fernie wants to play by himself.

Episode 24 | Picture Perfect Father's Day/Tantie's Day

Ariel struggles with a Father's Day gift idea for Triton; Ariel and her sisters want to celebrate a very special Tantie's Day by doing nice things for Ursula.

Episode 25 | Petting Zoo Day/New Squid in Town