Season 1 Episodes
1. Atlantica Day
Ariel is given the chance to write a new song to celebrate Atlantica and all of its special inhabitants.
2. A Winner's Spirit
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.
3. Ursula's Magic Camp
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.
4. Fernie's Notebook
Fernie worries he won't do a good job in the Open Market Show and Tell after he loses his trusty fish facts notebook.
5. Crystal Cavern Caper
Ariel tries to stop a pesky hermit crab from stealing her land treasures.
6. A Banner Moment
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.
7. The Endless Sleepover
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.
8. Daddy Daughter Dinner
Ariel learns the importance of family time when she misses a special dinner with King Triton.
9. Copy Catfish
Ariel grows frustrated when her little cousin Jewels visits and won’t stop copying her.
10. Happy Crabby Day
When King Triton declares Happy Crabby Day as a day off for all crabs, Sebastian must try to relax.
11. Smoothie Shake-Up
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.
12. Family Picture Day
Ariel tries to help Ayanna with a hair emergency on their family picture day.
13. The Cuttlebaby Sitter
Ariel volunteers to watch cuttlebaby eggs to prove that she's a good babysitter.
14. Flounder the Leader
Flounder is chosen as the team coach for the Royal Family Cricket Game.
15. The Clean Team
16. Clamming Up
17. The Singing Dolphin
Ariel and her friends can't find a role for Delfino the dolphin in their band.
18. The Happy Patty Clap
When Ayanna is unable to compete in the Clap Game competition, Ariel steps in so that Alanna can still participate.
19. Ravi and Navi
20. Chef Flounder
21. The Brave Little Goby
22. Kid Triton
23. Ariel's Tall Mer-Tale
Tantie Chantale, a marine biologist, comes to visit, and Ariel feels left out when she bonds with Fernie over fish facts.
24. Remy, the Houseguest
Ariel invites a lost remora named Remy to stay at her Crystal Cavern.
25. La Sirenusca
Ariel tracks down a mythological sea creature.
26. Substitute Sebastian
Ariel and friends get a substitute teacher in music class.