Watch Online Free on Watchseries. Hosted by series lead Erika Henningsen, at New York’s historic Majestic Theater, this concert event features performances of the show's hit songs from Seasons One and Two by Erika Henningsen, Blake Roman, Amir Talai, Christian Borle, Jessica Vosk, Jeremy Jordan, and Krystina Alabado, with special appearances by Stephanie Beatriz, Kimiko Glenn, Vivienne Medrano, Sam Haft, and Richard Horvitz.