Kim Jong Kook, known for his thriftiness showcased on 'Running Man,' once again captures attention on KBS 2TV’s 'Problem Child in House.' In the upcoming episode on April 3, Kim Jong Kook will demonstrate his exceptional frugality, establishing himself as the "stingy king."

In a preview for the episode, Kim Jong Kook shared his money-saving strategy by opting for a colonoscopy without anesthesia and suggested non-sedated endoscopies for the ability to interact with the doctor. He admitted to patching up his worn-out socks and using underwear with holes to maximize their lifespan, also offering tips on preserving socks.

During the show, Kim Jong Kook scrutinized the hosts' socks on the spot, emphasizing his commitment to frugality. The highlight was his discourse on using seven-year-old toilet paper and wet wipes received as gifts, questioning the necessity of wet wipes and advocating for a more conservative approach.

His relentless promotion of reusing wet wipes had the hosts contemplating their wasteful habits, with Song Eun Yi even admitting to drying and repurposing them. Overwhelmed by Kim Jong Kook's persistence, Hong Jin Kyung conceded to revising her habits.

This episode is set to present Kim Jong Kook's distinctive saving money philosophy intertwined with humorous incidents, leaving a lasting impact on the audience. Tune in to 'Problem Child in House' on April 3 at 8:30 PM.