Flounder fakes being sick.

Ariel gives her plant magic food to make it grow for the Great Big Garden Show.

Sebastian accidentally donates the box of toys that Ariel wants to keep.

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.

Lucia makes two other versions of herself so she can be at three different playdates at once.

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.

Flounder uses Ursula's magic mirror to play a trick on his friends.

When Fernie doesn't believe in the Kite Monster legend like his friends do, he starts to ruin their fun.

Ariel competes in a Happy Patty Clap event.

Ariel makes a friend. 

Ariel befriends a clam.

Ariel uses magic to clean her room.

Flounder is chosen as the team coach.

Ariel babysits adorable cuttlebabies.

Ariel preps Ayanna for picture day.

Ariel helps Ravi at work.

Sebastian tries to relax for a day.

Jewels visits and copies everything Ariel does.

Ariel misses dinner.

Ariel won't sleep at a sleepover. 

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.

Ariel tries to stop a pesky hermit crab from stealing her land treasures.

Fernie worries he won't do a good job in the Open Market Show and Tell after he loses his trusty fish facts 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.

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.

Ariel is given the chance to write a new song to celebrate Atlantica and all of its special inhabitants.