It's the ultimate fairytale musical! Barbie stars as Alexa, a shy princess who discovers a secret door in her kingdom and enters a whimsical land filled with magical creatures and surprises. Inside, Alexa meets Romy and Nori, a mermaid and … Kelly Sheridan, Brittany McDonald, Ashleigh Ball, Chanelle Peloso, Tabitha St. Germain, Ellie King, Christopher Gaze Added on HBO 2024-02-06. Youtube Trailer