overview : Master Key is an interactive variety show where celebrities compete with one another and play various games in order to achieve victory each week. The players have to find those who have the two Master Keys, reasoning through an intense psychological warfare. The viewers become "Watchers" and participate in the game as well. By the number of votes, each star receives special abilities. Who will be chosen by the Watchers and become the final winner?

First Air Date : Oct 14, 2017

Last Air Date : Jan 06, 2018

Runtime : 1h 35m

Episodes : 13

Seasons : 1

Genre : Comedy,Family,Mystery,Reality,

Companies : Seoul Broadcasting System

Countries : KR

Keywords : variety show, mind games