Ep. 4: Rina receives a letter from her whale friend urging her to return home.
Aired on April 24, 2004
4
Rina receives a letter from her whale friend urging her to return home. She also meets a flirty boy named Masahiro Hamasaki, whom she keeps on meeting. Rina changes her mind about the offer to return home at the last second.
Episodes
- Ep. 1 · Kaito departs for Hawaii while the mermaids confront the angel Michel
- Ep. 2 · Lucia searches for Kaito at sea as Black Beauty Sisters return and Seira is revealed.
- Ep. 3 · Hanon receives a music sheet from Taro before it blows away and a mysterious boy retrieves it
- Ep. 4 · Rina receives a letter from her whale friend urging her to return home.
- Ep. 5 · Hanon and Lucia attend a concert while Rina encounters Masahiro and mermaids face a cursed accordion player
- Ep. 6 · Kaito returns with amnesia, while Lucia vows to restore his memories despite his new relationship.
- Ep. 7 · Lucia tracks Seira's spirit to India as Michel absorbs her before the orange pearl merge.
- Ep. 8 · Lucia and friends help Kaito regain memories through surfing and a mermaid appearance