On the most recent episode of the MBC entertainment program 'Infinite Challenge,' which aired on December 20, 2014, the Infinite Challenge members recruited 1990s pop stars including Kim Jung Nam and Shoo of the 1990s girl group S. E. S. There has been a lot of TV shows and programs that highlighted the 1990s stars, including the cable channel tvN's dramas "Reply 1997" and "Reply 1994," along with an entertainment program "Comeback show top 10." The 'Saturday Saturday Is a Singer' program put up by the Infinite Challenge members were different, however, because the program not only showcased the 1990s stars' capabilities as singers, but also their charming personalities. 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.