Mermaid Day, Part 1

Mermaid Day is here, and the girls have been chosen as this year's ambassadors. With the help of their new friends, they begin preparing for the big festival. Meanwhile, Kishiko and Harmonique catch a glimpse of Morra shape shifting and recognize her as the color thief from Wintera. Will the girls be able to warn the others before Morra can put her master plan into action?