STitle: Infinite challenge
Air dates: 23rd April 2005- present
Air times: Saturday 18:30 (KST)
Summary: A true Variety show, guests are invited to join Yoo Jae Suk, Park Myeong Su, Jeong Jun Ha, Haha, and Hwang Kwanghe in taking part in various challenges that vary from show to show.
They even sometimes have western stars: