Singer IU, who released her new album on October 23, 2015, mentioned the popular MBC entertainment program 'Infinite Challenge' on her live talk show.

On October 24, 2015, IU had a live talk show on Naver V, and talked about her forth mini album called Chat-Shire. IU mentioned the popular MBC entertainment program 'Infinite Challenge' on this day's talk show. IU said, "Thanks for watching my show although Infinite Challenge is airing right now (at the same time)." In related news, on the new episode of the popular MBC entertainment program 'Infinite Challenge,' which will air on Oct. 31, 2015, the MBC entertainment program 'Infinite Challenge' members are going to transform into "laughter hunters" and look for civilians who are as funny as them. 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, Kwnaghee and Jung Hyung Don.