Ep. 26: Lucia, Hanon, and Rina accompany Kaito to a surfing contest.
Aired on September 27, 2003

26
Lucia, Hanon, and Rina travel with Kaito to attend a surfing competition. During their visit, the Dark Lovers launch an attack against the group. A new purple mermaid intervenes to rescue the trio from the threat. The episode focuses on the surfing event and the sudden confrontation with the antagonists, highlighting the arrival of the mysterious purple mermaid who saves the main characters from danger.
Episodes
- Ep. 22 · Taro becomes Lucia, Hanon, and Rina's teacher while Maria reveals Kaito to Gaito
- Ep. 23 · Lucia uses an emotional control pearl while caring for a sick Kaito at his home.
- Ep. 24 · Meru attempts to marry Kaito but discovers his affection for Lucia
- Ep. 25 · Lucia, Hanon, and Rina discover Hippo transforms into a boy and falls for Yuri.
- Ep. 26 · Lucia, Hanon, and Rina accompany Kaito to a surfing contest.
- Ep. 27 · Caren the Antarctic Mermaid Princess Introduces Herself to Rina
- Ep. 28 · Lucia, Hanon, and Rina face a trap by the Black Beauty Sisters while seeking Caren in a coral reef.
- Ep. 29 · Lucia stars in a class play alongside Kaito after an accident
- Ep. 30 · Gaito impersonates Kaito to gauge Lucia's feelings while Kaito faces a dream choice between her and a mermaid.