According to, Riverdale mixed things up this year with a musical episode, and it looks like that will soon become an annual thing. Riverdale showrunner Roberto Aguirre-Sacasa has recently teased what fans can expect with Season 3’s musical episode, which was confirmed during San Diego Comic-Con. As far as what musical the show will feature, that remains to be said. Aguirre-Sacasa explained, “There are a couple musicals we’ve been circling.