|Feelings I Can't Say|
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|Air Date||April 12, 2003|
|Opening Song||Taiyō no Rakuen|
|Closing Song||Daiji Na Takarabako|
|Previous Episode||The Pearl Tear|
|Next Episode||Swaying Thoughts|
|Song(s)||Legend of the Mermaid|
Feelings I Can't Say (言えない心, Ienai Kokoro)
Hanon Hosho airs her disapproval to Lucia's new relationship with Kaito, since mermaids cannot reveal their identities to a human directly, as this will cause them to turn into sea foam. Despite this, during a festival later, Hanon, too, finds love. The mermaid Lucia prays Kaito to "find" her. Hanon's mermaid form is also revealed as the Mermaid Princess.
- Katio is the only charcter to be bloodied in Mermaid Melody Pichi Pichi Pich!
- Goof: When Lucia was falling, and Katio got bloodied, it will be Lucia to be bloodied, not Katio.
- This is the first episode to have somebody hurt.