Vera the mermaid and her half-octopus friend Beaker go on playful adventures in the underwater town of Tidal Grove.

Reunited with her merman father and now living on an island located in the Bermuda Triangle, twelve-year-old Emily accidentally awakens the fearsome kraken and also faces a bully from her past.

When she incurs Neptune's wrath by finding a diamond ring buried under rocks in the ocean, Emily is put under a curse that will force her to choose to be either a mermaid or a human and split up her parents forever.

"To celebrate the rise of their new queen, three goddesses of the moon created three stars, one of fire, one of ice, one of water. But then they fell from the sky, putting the fate of all worlds in danger. And now three women and three men join forces to pick up the pieces Mermaid Annika is from the sea, and it is there she must return after her quest to find the stars. New to this world, her purity and beauty are nothing less than breathtaking, along...

At the beach, Pinkalicious and her brother help a tiny mermaid, a merminnie, to go back home.

When Gil and his friends go to a big truck show, they learn about different trucks, including fire trucks, garbage trucks, and tow trucks.

When Neptune tells Emily and her merman father and human mother to return to Brightport to try to make merpeople and humans work more closely together, Emily faces problems with old enemies, her new, half-merfolk friend Aaron, and a mystery related to a group of legendary lost sirens.

Deep in the ocean, in a world not so different from our own, live the merpeople. Their communities are spread throughout the oceans, seas, and freshwaters all over the globe. When Serafina, a mermaid of the Mediterranean Sea, awakens on the morning of her betrothal, her biggest worry should be winning the love of handsome Prince Mahdi. And yet Sera finds herself haunted by strange dreams that foretell the return of an ancient evil. Her dark premonitions...

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.