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|Air Date||May 24, 2003|
|Opening Song||Taiyō no Rakuen|
|Closing Song||Daiji Na Takarabako|
|Previous Episode||A Mermaid's Jealousy|
|Next Episode||Stolen Melody|
|Song(s)||Legend of the Mermaid|
A Mermaid's Jealousy "Māmeido no Jerashī"
When Lucia hears a rumor that Kaito is dating an older girl, she sets out to investigate. Elsewhere, a beautiful emerald found in the ruins of Rina's kingdom becomes the star attraction of a cruise liner gallery, and Eriru attempts to steal it to lure the mermaid princesses to her.