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Atlantica Day
Episode number: 1
Overview: Ariel is given the chance to write a new song to celebrate Atlantica and all of its special inhabitants.
A Winner's Spirit
Episode number: 2
Overview: 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.
Ursula's Magic Camp
Episode number: 3
Overview: 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's Notebook
Episode number: 4
Overview: Fernie worries he won't do a good job in the Open Market Show and Tell after he loses his trusty fish facts notebook.
Crystal Cavern Caper
Episode number: 5
Overview: Ariel tries to stop a pesky hermit crab from stealing her land treasures.
A Banner Moment
Episode number: 6
Overview: 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.
The Endless Sleepover
Episode number: 7
Overview: 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.
Daddy Daughter Dinner
Episode number: 8
Overview: Ariel learns the importance of family time when she misses a special dinner with King Triton.
Copy Catfish
Episode number: 9
Overview: Ariel grows frustrated when her little cousin Jewels visits and won’t stop copying her.
Happy Crabby Day
Episode number: 10
Overview: When King Triton declares Happy Crabby Day as a day off for all crabs, Sebastian must try to relax.
Smoothie Shake-Up
Episode number: 11
Overview: 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.
Family Picture Day
Episode number: 12
Overview: Ariel tries to help Ayanna with a hair emergency on their family picture day.
The Cuttlebaby Sitter
Episode number: 13
Overview: Ariel volunteers to watch cuttlebaby eggs to prove that she's a good babysitter.
Flounder the Leader
Episode number: 14
Overview: Flounder is chosen as the team coach for the Royal Family Cricket Game.
The Clean Team
Episode number: 15
Overview: Ariel uses magic to clean her room.
Clamming Up
Episode number: 16
Overview: Ariel befriends a clam.
The Singing Dolphin
Episode number: 17
Overview: Ariel and her friends can't find a role for Delfino the dolphin in their band.
The Happy Patty Clap
Episode number: 18
Overview: When Ayanna is unable to compete in the Clap Game competition, Ariel steps in so that Alanna can still participate.
Ravi and Navi
Episode number: 19
Overview: A birthday party misunderstanding.
Chef Flounder
Episode number: 20
Overview: Flounder helps other chefs at an event.
The Brave Little Goby
Episode number: 21
Overview: A new fish wants an adventure of her own.
Kid Triton
Episode number: 22
Overview: Triton accidentally turns into a kid.
Ariel's Tall Mer-Tale
Episode number: 23
Overview: Tantie Chantale, a marine biologist, comes to visit, and Ariel feels left out when she bonds with Fernie over fish facts.
Remy, the Houseguest
Episode number: 24
Overview: Ariel invites a lost remora named Remy to stay at her Crystal Cavern.
La Sirenusca
Episode number: 25
Overview: Ariel tracks down a mythological sea creature.
Substitute Sebastian
Episode number: 26
Overview: Ariel and friends get a substitute teacher in music class.
The Kite Monster
Episode number: 27
Overview: The Kite Monster legend
The Spooky Mirror Trick
Episode number: 28
Overview: Ursula's spooky mirror traps everyone.
Fernie's Dra Konfó
Episode number: 29
Overview: Fernie forgets his blanket.
Lucia, Lucia, Lucia!
Episode number: 30
Overview: Lucia makes too many plans.
The Lost Dogfish
Episode number: 31
Overview: Ariel finds a lost dogfish.
Swim Scouts
Episode number: 32
Overview: Fernie makes a new friend.
Daddy Daughter Adventure Day
Episode number: 33
Overview: Ariel and Triton spend Daddy Daughter Adventure Day together.
Rainbow Sea Caves
Episode number: 34
Overview: Ariel explores Rainbow Sea Caves.
Flounder's Christmas Letter
Episode number: 35
Overview: 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.
Holiday Toy Box Trouble
Episode number: 36
Overview: Sebastian accidentally donates the box of toys that Ariel wants to keep.
The Great Big Garden Show
Episode number: 37
Overview: Ariel gives her plant magic food to make it grow for the Great Big Garden Show.
The Sea Sniffles
Episode number: 38
Overview: Flounder fakes being sick.