When Echo, who is tired of sharing everything with her sister Crystal, finds an artifact from the human world, she and Crystal fight over ownership and are forced by their mother to get along.

New to Lady Sealia Foam's Mermaid School, Marnie Blue worries about fitting in and doing the right thing when a classmate is in danger.

When Splash the merminnie's flashy tricks get him in trouble, it's up to Pinkalicious and her friends to save him.

Ellie, Summer and Jasmine are set for a magical adventure deep beneath the sea. Can they help thier new underwater friends save the enchanted Wishing Pearl from Queen Malice and her Storm Sprites?

At Lady Sealia Foam's Mermaid School, Marnie and her classmates participate in an athletic competition, but when the crown, awarded to the winner, goes missing, Marnie swims to the rescue.

Experiencing occasional visions of the future, mermaid Kiki Coral receives a psychic warning that her classmate, Rocky Ridge, will have a dangerous encounter with a giant leatherback turtle, a premonition she fears nobody will believe.

As Serafina uncovers more clues about the talismans, Neela ventures into a sea dragon's nest, and Ling learns the identity of their foe.

"At night, a little girl imagines she is a mermaid, making daring rescues with the help of her animal friends. And when she wakes up, she can't help but notice that her hair still smells a bit like the sea"--

Vera the mermaid and her half-octopus friend Beaker meet three friendly krakens on a field tip.