1x380 - My Little Old Boy

Kim Jung Eun, the actress with whom Dong Gun filmed his famous line, visits the studio to watch the old boys in their daily lives. Today, Seung Soo takes Sang Min to vitalize themselves and boost their stamina. Meanwhile, Dong Gun makes a big decision to cut back on his bad habit. Also, we meet Na Sun Uk, a famous YouTuber, for Someone Else's Son.