Ep. 20: Fine and Rein travel to the Sea Kingdom, a mysterious land unknown to others
Aired on August 13, 2005

20
The characters Fine and Rein journey to the Sea Kingdom. This location is described as a country that remains unknown to the general public. The narrative focuses on their visit to this specific realm, highlighting the unique setting of the Sea Kingdom as they explore the area. No further details regarding their activities or the kingdom's specific features are provided in the source material.
Episodes
- Ep. 16 · Princesses uncover the true identity of Eclipse while Milky faces significant trouble
- Ep. 17 · The Seed Kingdom hosts a sports-themed Princess Party for athletes
- Ep. 18 · Balloon race competition between the Windmill Kingdom and the Jewelry Kingdom
- Ep. 19 · Mirlo Faces Engagement Crisis as Moon Kingdom Minister Reveals True Nature
- Ep. 20 · Fine and Rein travel to the Sea Kingdom, a mysterious land unknown to others
- Ep. 21 · The twins assist a ghost in frightening Prince Bright, Auler, Princess Altessa, and Sophie
- Ep. 22 · The group visits the Diamond Kingdom for a tea party hosted by Prince Bright
- Ep. 23 · Seeds of Destin: The Princesses Are Good Friends?!
- Ep. 24 · The Windmill Kingdom Demands the Return of Their Luchés