After participating to a previous show where they have to bet or be challenged to any kind of competitions, the losing members of the Gaki no Tsukai are selected to spend 24 hours in a setting which they have no knowledge of the theme nor the course of the events. They are exposed to various absurd and crazy situations nonstop for 24 hours and must refrain from laughing. If they do so, hang-men appear and hit the rule breakers with a weapon (the weapon varies every year).

An entertainment show running different types of stories as projects with guest entertainers appearing in them. Stories included ones like Bibari to Rui, Tebrashka ( Тебурашка ) and many others. A lot of the shorter projects directly parodied specific things like shows or movies.