Neptune, King of the ocean, sends half-mermaids Emily and Aaron to the land of the midnight sun to investigate the source of the dangerous storms brewing in the ocean.

When a mermaid princess needs their help protecting her adorable sea goats from being eaten by a greedy kraken, the Princess in Black and her friends come to her rescue, working together to take down the big blue monster.

Two children set out to capture a mermaid, but she manages to escape all of their traps.

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

As they search for their missing father near their Cornwall home, Sapphy and her brother Conor learn about their family's connection to the domains of air and of water.

Merbaby Flo was born with only one fin, unable to swim--so Bo and the other unicorns set out for the Shiny Sea to find the Golden Fish and ask Goldie to use his magic to help baby Flo.

Venture under the sea where Ariel, a free-spirited mermaid princess, longs to be part of the human world. After bravely striking a bargain with Ursula, a sneaky sea witch, Ariel embarks on the adventure of a lifetime. With Flounder and Sebastian at her side, Ariel will need all of her courage and determination to make things right in both of her worlds. The Anniversary Edition invites all to sing along with the award-winning songs, and venture inside...

Two years after the disappearance of their father, Sapphire and Conor, having moved with their mother to the town of St. Pirans, try to make a new life for themselves, but Sapphire, unlike her mother and brother, finds it increasingly difficult to adjust to her new circumstances and is drawn more and more to the undersea world of Ingo.