Season 1

2024 · 10 episodes

To save her kingdom, a determined young mermaid princess and her friends must join forces with the creatures that scare them the most — humans.

1The Pearls of NeptuneWhen the pearls powering Mertropia start to fade, Princess Merlinda must break the rules and swim beyond her mermaid home to save her father's life force.
2Pirates' CoveNerissa and Sasha look for Merlinda on land. But with her communication bracelet broken, the princess will have to trust her new human friends.
3Dark Secrets Beneath the SchoolCelia and Tyler help Merlinda, Nerissa and Sasha adjust to their new school above the surface and try to find answers about their missing map.
4The Guardian of the PearlsA whale rescue leads Merlinda and her friends further on their quest to find more pearls — but danger is waiting below the surface.
5The Haunted RideA day at the amusement park proves relaxing — and perilous — when the gang's greatest threat makes an appearance. Alex sets out on his own mission.
6Danger at Marine Rescue CenterWhile Merlinda, Nerissa and Sasha use their powers to help Tyler and Celia save the rescue center, Barbarossa and Tempesta concoct a plan of their own.
7A Volcanic AdventureThe group continues their search for the missing pearls inside a dormant volcano. But Barbarossa is waiting in the shadows to disrupt their plans.
8Return to MertropiaAs Merlinda, Nerissa, Sasha and Alex make their way back to Mertropia, they discover that an unwelcome force has entered through the portal.
9A Test for MerlindaAn old foe becomes a friend as Merlinda returns to Pirate Cove to try and save Nerissa, Alex and the pearls. Fred learns the truth about his father.
10The Power of the PearlsWith a newfound confidence, Merlinda is ready to defeat Barbarossa once and for all. Will she be able to save her friends — and Mertropia?

Episodes