Johnny Yong Bosch, America Young, Cassandra Morris, Melanie Minichino
Malibu and Brooklyn (Barbie and Barbie) goes on a musical adventure with Chelsea, Stacie and Skipper, but a mermaid ceremony gets interrupted, so in need for help, Isla calls Malibu, now Malibu and Brooklyn along with Malibu's sisters turns into mermaids to get powers and save Pacifica, while getting new friends in the process.—hannahmakesstories