On the most recent episode of the MBC entertainment program 'Infinite Challenge,' which aired on December 20, 2014, the Infinite Challenge members met with the 1990s pop stars Jinu and Sean. On this day's episode, the Infinite Challenge members interviewed Jinusean. Jinu said, "I decided to come here because of Sean's invite." He then added, "Sean likes to sing on stage. But people think of him as a social worker, not a singer," and made the Infinite Challenge members laugh. 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.