When Echo injures her tail, she can|t compete in the Poseidon Tail Flippers team competition. Will Echo find a way to help her team win from the sidelines?

When her class at Trident Academy visits a pod of whales, Kiki Coral must overcome her fears with the help of her friends.

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.

Echo Reef is doing tail flips because she's going to see her favorite under-the-sea boy band, the Rays! They're performing at her classmate's Pearl's birthday party, and everyone who goes to Trident academy is invited. Everyone, that is, except Echo's best friend, Shelly! Echo doesn't want to miss the Rays, but how can she even think of going to the party without her best friend? Can Echo convince Pearl to invite Shelly? Or will she have to come up...

A shark has been spotted in Trident City! Pearl Swamp is so scared, she needs a shark Guard to escort her to and from school. She doesn't trust anyone who likes these terrifying creatures, especially Kiki Coral, who isn't nearly as frightened as Pearl. And to make matters worse, Pearl accuses Kiki of stealing her precious pearl necklace! Will the sharks destroy the peace of their sparking city? Or will the mergirls have to swim in dangerous deep-sea...

Wanting to help a lost baby polar bear return home, Kiki Coral and her mermaid friends worry that the cost of the bear's transportation will prevent them from seeing a concert performance of their favorite boy band.

Echo's third grade class visit the Titanic and figure out a way of including their new classmate, Anita, who is confined to a wheeled chair.

Shelly and her merfriends are excited to sleep in the museum until they start to wonder if it’s haunted in this spooky Mermaid Tales adventure. It’s almost Shelly’s birthday! She can’t wait to have her friends over and eat her grandfather’s homemade pizza. But when Pearl gets involved in the party planning, the ideas get out of hand. Soon Shelly’s small sleepover turns into an overnight extravaganza at the People Museum, complete with...