On October 12, series of still images and additional teaser video for 'Master Key' was released upon its on air date.
'Master Key' is a psychological game show where celebrity casts, known as 'players' will compete with each other through various games to take the final 'master key'.


Also in the teaser video, the casts showcased their witty dance moves on set and burst into laughter, raising people's anticipation to the show.

(Credit= 'SBSNOW' YouTube, SBS Master Key)
(SBS Star)