- Eris' establishing character moment is to have the crowd adore her, imprison someone for not applauding, and continue on like nothing happened.
- Merliah and her friends distracting Eris with a dance to steal her necklace.
- Eris turning public opinion against Merliah and trapping her in a super-sized whirlpool.
- When trapped in Eris' whirlpool, Merliah realizes she wants to stay and protect the ocean instead of going home and forgetting about it. She vows to fulfill her duties as a princess, and this realization gives her a real mermaid tail, which she uses to free herself.
Awesome / Barbie in a Mermaid Tale