Episode 1
Ariel is given the chance to write a new song to celebrate Atlantica and all of its special inhabitants.
Episode 2
Ariel goes too far in trying to help Flounder win the All-Atlantica Swim Race and learns an important lesson about letting your friends go at their own pace.
Episode 3
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.
Episode 4
Fernie worries he won't do a good job in the Open Market Show and Tell after he loses his trusty fish facts notebook.
Episode 5
Ariel tries to stop a pesky hermit crab from stealing her land treasures.
Episode 6
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 7
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.
Episode 8
Ariel learns the importance of family time when she misses a special dinner with King Triton.
Episode 9
Ariel grows frustrated when her little cousin Jewels visits and won’t stop copying her.
Episode 10
When King Triton declares Happy Crabby Day as a day off for all crabs, Sebastian must try to relax.
Episode 11
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.
Episode 12
Ariel tries to help Ayanna with a hair emergency on their family picture day.
Episode 13
Ariel volunteers to watch cuttlebaby eggs to prove that she's a good babysitter.
Episode 14
Flounder is chosen as the team coach for the Royal Family Cricket Game.
Episode 15
Ariel uses magic to clean her room.
Episode 16
Ariel befriends a clam.
Episode 17
Ariel and her friends can't find a role for Delfino the dolphin in their band.
Episode 18
When Ayanna is unable to compete in the Clap Game competition, Ariel steps in so that Alanna can still participate.
Episode 19
A birthday party misunderstanding.
Episode 20
Flounder helps other chefs at an event.
Episode 21
A new fish wants an adventure of her own.
Episode 22
Triton accidentally turns into a kid.
Episode 23
Tantie Chantale, a marine biologist, comes to visit, and Ariel feels left out when she bonds with Fernie over fish facts.
Episode 24
Ariel invites a lost remora named Remy to stay at her Crystal Cavern.
Episode 25
Ariel tracks down a mythological sea creature.
Episode 26
Ariel and friends get a substitute teacher in music class.
Episode 27
The Kite Monster legend
Episode 28
Ursula's spooky mirror traps everyone.
Episode 29
Fernie forgets his blanket.
Episode 30
Lucia makes too many plans.
Episode 31
Ariel finds a lost dogfish.
Episode 32
Fernie makes a new friend.
Episode 33
Ariel and Triton spend Daddy Daughter Adventure Day together.
Episode 34
Ariel explores Rainbow Sea Caves.
Episode 35
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.
Episode 36
Sebastian accidentally donates the box of toys that Ariel wants to keep.
Episode 37
Ariel gives her plant magic food to make it grow for the Great Big Garden Show.
Episode 38
Flounder fakes being sick.