Problem Child in House () was a South Korean variety program that aired on KBS2 starting November 7, 2018. The program also aired on KBS World with English subtitles. The show ended in mid-January 2024.
In this quiz show, the five hosts and the guest(s) put their general knowledge to the test. They must correctly answer ten trivia questions given by the production team before they are allowed to leave the rooftop. They are not allowed to use their phones to find the answers on the internet.