Watch Online Free on Watchseries. “Soy Luna in Concert” offers an impressive production with a large-scale musical staging, featuring original songs and the participation of cast members from the hit Disney Channel teen series Soy Luna. In the show, Luna has a dream in which she and her friends perform on a stage in front of a crowd. They laugh at her, but Luna uses social media and her video channel to make her dream come true and prove that she can achieve anything she sets her mind to.