To save her kingdom, a determined young mermaid princess and her friends must join forces with the creatures that scare them the most — humans.
Season 1
The Pearls of Neptune
Pirates’ Cove
Dark Secrets Beneath the School
The Guardian of the Pearls
The Haunted Ride
Danger at Marine Rescue Center
A Volcanic Adventure
Return to Mertropia
A Test for Merlinda
The Power of the Pearls
