While visiting her cousin who lives along the coast of Avalor, Elena encounters a group of mermaid-like sea creatures called sirenas and learns about their complicated history with humans. In an attempt to make amends, Elena befriends the sirenas and enlists their help to defeat evil sorceress Shuriki.
Elenco: Aimee Carrero , Jenna Ortega , Chris Parnell , Yvette Nicole Brown , Carlos Alazraqui , Emiliano Díez , Julia Vera , Christian Lanz , Jorge Diaz , Keith Ferguson , Joe Nunez , Lou Diamond Phillips , Justina Machado , Jaime Camil , Echo Kellum .