Seasons & Episodes
The Pearls of Neptune
When the pearls powering Mertropia start to fade, Princess Merlinda must break the rules and swim beyond her mermaid hom
Pirates' Cove
Nerissa and Sasha look for Merlinda on land. But with her communication bracelet broken, the princess will have to trust
Dark Secrets Beneath the School
Celia and Tyler help Merlinda, Nerissa and Sasha adjust to their new school above the surface and try to find answers ab
The Guardian of the Pearls
A whale rescue leads Merlinda and her friends further on their quest to find more pearls — but danger is waiting below
The Haunted Ride
A day at the amusement park proves relaxing — and perilous — when the gang's greatest threat makes an appearance. Al
Danger at Marine Rescue Center
While Merlinda, Nerissa and Sasha use their powers to help Tyler and Celia save the rescue center, Barbarossa and Tempes
A Volcanic Adventure
The group continues their search for the missing pearls inside a dormant volcano. But Barbarossa is waiting in the shado
Return to Mertropia
As Merlinda, Nerissa, Sasha and Alex make their way back to Mertropia, they discover that an unwelcome force has entered
A Test for Merlinda
An old foe becomes a friend as Merlinda returns to Pirate Cove to try and save Nerissa, Alex and the pearls. Fred learns
The Power of the Pearls
With a newfound confidence, Merlinda is ready to defeat Barbarossa once and for all. Will she be able to save her friend
Popular Cast
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