Kim Jong-kook briefly mistook Lee Se-hyun for Son Heung-min on a recent edition of the show Running Man. The amusing slip happened because Lee Se-hyun and Son Heung-min display strikingly similar visual styles. Kim Jong-kook reacted with amusement to their matching appearances during the recording.
Ji Ye-eun also joined the cast on the same show and became quite emotional. She revealed to viewers that her first blue-chip stock fell by 47%. Ji Ye-eun further stated that Kim Jong-kook had cautioned her against the purchase. She pointed out that Kim Jong-kook had accurately predicted before she acquired the stock.