Barbie stars as Merliah, a surfer who learns a shocking secret: she's a mermaid! She and her dolphin friend set out for an undersea adventure to rescue her mother, the queen of Oceana. Kelly Sheridan, Kathleen Barr, Tabitha St. Germain, Peter Mel, Nakia Burrise, Maryke Hendrikse, Emma Pierson Added on Netflix 2023-07-04. Youtube Trailer