On the most recent episode of the MBC entertainment program 'Infinite Challenge,' which aired on December 20, 2014, many 1990s pop stars showed up, being recruited by the Infinite Challenge members and preparing for their stage performances. On this day's episode, singer So Chan Hwi prepared for her stage performance with her dancers. She filmed a short video from her practice room, discussing her stage with her dancers. In related news, on the most recent episode of the popular MBC entertainment program 'Infinite Challenge,' the members recruited popular singers from the 1990s and hosted a stage performance, showing popular songs from the 1990s. The MBC entertainment program 'Infinite Challenge' is one of the popular, long lasting entertainment programs in Korea. It features the Infinite Challenge members Ha Ha, Park Myung Soo, Yoo Jae Suk, Jung Joon Ha, and Jung Hyung Don.