The MBC entertainment program 'Infinite Challenge' 'idiot challenge' participant and actor Shim Hyung Tak's laughter made the other 'idiot challenge' participants jokingly speculate that his laughter is a telling sign of his stupidity.

On the most recent episode of the popular MBC entertainment program 'Infinite Challenge,' which aired on Oct. 17, 2015, the MBC entertainment program 'Infinite Challenge' members picked up each one of the 'idiot challenge' participants from their neighborhoods. After Haha, Jung Hyung Don and Kwanghee picked up Shim Hyung Tak, Shim Hyung Tak said funny things to people in the car. The things he said, however, were things that only he thought was funny, not anyone else in the car. After he said things, Shim Hyung Tak laughed his laugh, convincing others that his laughter is a telling sign that he belongs with the rest of the 'idiot challenge' participants. In related news, 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.