The December 16 airing of 'One Night of TV Entertainment' broadcasted the site of Park Seo Joon's first fan meet, during which the actor answered fans' questions and shared some stories of his past. 

In the middle of talking about how he had debuted as an actor, Park Seo Joon confessed that his father had strongly opposed his career choice. 

Just at that moment, a surprise guest showed up at the fan meet, drawing curiosity. That guest turned out to be Park Seo Joon's father! When asked what he thought of his son now, the father shouted, "He's the best!" 

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At those three simple words, Park Seo Joon burst into tears. After composing himself, he said, "I think this is the way it always is with family. Please understand."