"High School Musical: The Musical: The Holiday Special" You don't need to be familiar with "High School Musical: The Musical" to appreciate the show's joyful, music-filled holiday special. Just sit back and enjoy the talented teens' Christmas and Hannukah stories, and, of course, their incredible musical numbers (including a gorgeous rendition of "River" by Olivia Rodrigo). Watch "High School Musical: The Musical: The Holiday Special" on Disney+.