The MBC entertainment program 'Infinite Challenge' members Jung Joon Ha and Yoo Jae Suk visited a dentist's office at the fans' requests.

On the most recent episode of the popular MBC entertainment program 'Infinite Challenge,' which aired on Dec. 12, 2015, the 'Infinite Challenge' members hosted 'Infinite Challenge News' and talked about the previous members No Hong Chul and Gil. Instead of filming the 'Infinite Challenge news,' the youngest member Kwanghee received personal instructions on how to improve his acting skills. Also in the same episode, the MBC entertainment program 'Infinite Challenge' members Yoo Jae Suk and Jung Joon Ha visited a dentist's office, and Park Myung Soo had a custom made wig designed for him. 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, Kwanghee, Yoo Jae Suk and Jung Joon Ha.