A Secret Adventure! Find the Mermaid's Treasure! is the 22nd episode of Tropical-Rouge! Pretty Cure.
While visiting Minamino Island, the Cures go on a hunt for a mermaid's treasure.
Tropes:
- Blush Stickers: Manatsu gets blushies when she praises her father's cooking.
- Making a Splash: Cure La Mer gets a new attack, Ocean Bubble Shower, which blasts the enemy with a huge burst of sea bubbles.
- Mythology Gag: Manatsu calms herself down by singing a song about food against a yellow background.
- One-Steve Limit: Averted; the old woman the Cures meet with is named Tomi.
- Security Cling: After Minori makes a ghostly noise to scare Manatsu, Manatsu jumps onto Laura's back.
