On the most recent episode of the MBC entertainment program 'Infinite Challenge,' which aired on December 20, 2014, the Infinite Challenge members recruited members of the 1990s boy band Turbo again. The former Infinite Challenge member Noh Hong Chul had recruited Turbo, however, because he resigned from the program because of drunk driving incident, the Infinite Challenge members met with members of Turbo again and recruited them for their special episode called 'Saturday Saturday Is a Singer.' Kim Jung Nam and Kim Jong Gook, members of Turbo, met with Yoo Jae Suk and Jung Hyung Don, and talked about their good old days. In related news, on the most recent episode of the popular MBC entertainment program 'Infinite Challenge,' called 'Saturday Saturday Is a Singer,' the Infinite Challenge 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.