Barbie Fairytopia Mermaidia (2006)
For this adventure, Elina must become a mermaid because you must go to the depths of the sea to rescue his friend from Laverna and stop her from seizing the immunity plant. But something is about to happen, a tragedy for Elina who transformed into a mermaid, can’t return to being fairy again cause she exceeded her time limit under the water, and is now trapped forever in a mermaids body.
The fairies don’t give up and they fight to keep the plant away from evil hands. Great adventures awaits, Elina must defeat Laverna again and also have to learn to live as a mermaid. Finally the fairy queen will really appreciate her efforts and Elina will surely get a wonderful reward.