Monty the Malodorous is a daring pirate. He is brave, bold and feared by all who sail the six or seven seas. But Monty has a secret: he can't swim. He never goes into the ocean and he never takes a bath. Real pirates don't bathe. But things change when he meets a mermaid named Meg.

When Kiki starts a book club at Trident Academy, Pearl becomes tail-kicking mad, claiming that Kiki is trying to steal Pearl's friends, and starts her own club with the intention of ruining Kiki's.

On Mermaid Day, the mer-queen throws a big bash and sea creatures of all kinds attend, including a shy shark who joins in the dancing.

As a school project, best friends and purrmaids Angel, Coral, and Shelly set out in search of a mermicorn.

"Kiya and Kinjal have succeeded in their first quest in the magical world of the Kingdom Beyond, but whatever good they achieved might not be enough. Their faithful flying horses Snowy and Raat reappear and whisk them back to the Kingdom to help the water pari -- winged merpeople -- who are slowly being poisoned by the very water in which they live. It is up to the twins to figure it out and put a stop to it. Fortunately, Kiya has the know-how to...

"Traveling home by cruise ship should be a relaxing break after Emily's latest adventure, but things take a turn when the ship is overtaken by a pirate king and his crew. After the pirates collect everyone's riches, they steal something even more valuable: Aaron. The pirate king's eldest son takes Aaron captive, forcing him to help guide the pirates to the mythical Trident's Treasure. So Emily dives into action and joins the younger son's crew in...

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.

"Traveling home by cruise ship should be a relaxing break after Emily's latest adventure, but things take a turn when the ship is overtaken by a pirate king and his crew. The pirate king's eldest son takes Aaron captive, forcing him to help guide the pirates to the mythical Trident's Treasure. So Emily dives into action and joins the younger son's crew in hopes of saving Aaron. But while experiencing life on the waves, Emily is surprised to find herself...

While Kiki and Echo help Shelly prepare for a royal tea with her visiting great-aunt, Queen Edwina, Shelly worries that the Queen will make her leave Trident City and move to Neptune Castle.

Purrmaid Shelly is taking care of sea horse and new class pet, Bubbles, who looks mysteriously unwell; luckily Shelly and her two best friends discover how to perk Bubbles up, and in the process learn why some animals are not meant to be pets.