It all started with a curse. When magical mermaid Sereia saves her little sister and overshadows brother and the sea's rightful heir, Triton, the position of next ruler of the sea is in question. Determined to keep his throne, Triton curses Sereia, transforming her into a human and stripping her of magic. Banishing her from their underwater kingdom, he gives her a final warning: if you should ever return, you will become a monster. Left for dead,...

While visiting her royal family Shelly is given the crown of joy to wear, but when the tiara goes missing Shelly and her friends rush to find it before a royal disaster occurs.

Juna Lee Poinfax is a rebellious modern mermaid with a large checking account and a snarky attitude. When one of her escapades lands her in trouble with the worldwide Mer Council, she's forced to perform community service by luring a halfling (half-mer, half-human) to the Georgia coast for indoctrination as a mer person. That halfling, clueless children's book author Molly Revere, finds herself kidnapped, annoyed, and soon in the thrall of a handsome...

Best friends Molly, a human, and Merrin, a mermaid, visit the Mermaid Moon festival on the night of Mermaid Moon, the one time each year mermaids can leave the sea.

Silver mermaids with golden hair go to sleep in the sea, counting fish instead of sheep.

A disagreement between Coral, Filly, and Manta, three young mermaids who work together to build and safeguard the reef that is their home, must quickly be set right.

"The Princess in Black and her friends are enjoying a day of sun and sea on Princess Sneezewort's royal boat when a real, live mermaid princess emerges from the waves! Eeeeeee! Princess Posy needs their help protecting her very cute sea goats from being eaten by a very greedy kraken. But the princesses and the Goat Avenger quickly realize that fighting underwater can be tough for land dwellers, and only the mermaid Princess Posy can save the day....

Mermaids Shelly and Echo are excited to begin third grade at the prestigious Trident Academy, but snooty Pearl, jokester Rocky, brilliant Kiki, grumpy Mr. Fangtooth, and an argument over their first project challenge the best friends. Includes facts about marine plants and animals and words to the Mermaid Tales Song.

Pearl Swamp is not happy when her selection as the next winter princess is overshadowed by her family's decision to adopt a baby boy.

Lumina is a mermaid who dreams of being a princess. As long as she can remember, she's had a magical power that makes pearls dance and glow. Lumina and her best friend Kuda, a pink seahorse, embark on an adventure to a majestic mer-kingdom. There, she uses her powers to help her friends prepare for the Royal Ball. Lumina then discover that her magical pearls are the key to unlocking her true destiny and ultimately saving the kingdom.