Title: 대탈출4 / The Great Escape 4
Broadcast network: tvN
Broadcast period: 2021.07.11 to 2021.09.26
Air time: Sunday 22:40 KST
6 celebrities each with a long list of fears and weaknesses are trapped inside a locked structure designed to remain locked. Each structure has a unique theme, harboring a web of secrets and numerous locked spaces. The 6 escapers will have to face their fears, test their limits and overcome their shortcomings as they stumble through the structure full of surprises and unlock their way to the end of the mystery in order to survive!