On the 20th anniversary of 'Infinite Challenge', with the chemistry of those days still evoking fond memories, comedian Park Myung Soo did not hold back on his close friend Jeong Hyung Don.

“Infinite Challenge,” produced by Kim Tae-ho, was a hit reality show that featured top comedians and entertainers, including Yoo Jae-suk, Park Myung-soo, Jung Hyung-don and Haha. The last ...