While the castle is preparing a surprise party for Esteban, Elena and Mateo take him sailing to an island where the Fountain of Youth is located. Elena and Mateo must save Esteban when he drinks too much water and becomes younger. <br />Guest stars: Anthony Avila as Young Esteban, Desmond Gerber as Baby Esteban <br />Songs: "Elena's Lullaby" sung by Elena, "Esteban's Birthday Song" sung by Isabel and Francisco <br />Elena of Avalor Island of Youth Episode 4 Season 1 Full Online S01E04 HD
