Watch Online Free on Watchseries. Featuring K-Pop sensation Super Junior's Kyuhyun, world renowned soprano Sunhae Im and world class ballerina Joowon Kim, this lavish Korean production of Maury Yeston and Arthur Kopit's, "Phantom", is an eye-dazzling and ear-pleasing take on Gaston Leroux's 1910 novel "The Phantom of the Opera".