Yoo Jae-suk

A variety show in which cast members will go to a South Korean landmark and play games there. There are several games to be played within the landmark and at least one of them has to do with the specific landmark and with running, hence the title Running Man. (imdb)

Dubbed as "agents of mankind", the three main cast members are put into eight disaster simulations in which they must must survive for four hours with only the assistance of an "AI". (wikipedia)