On August 31 episode of JTBC's television show 'Knowing Brothers', Park Ji Hoon made a guest appearance.

Park Ji Hoon answered, "Yes, we did. It was our second debut anniversary on August 7, so we decided to meet up to celebrate it."
He continued, "We ordered some food and spent time catching up with each other. It was so much fun. I had an incredible time."

Park Ji Hoon said, "We actually tried to perform one of our songs 'Energetic' to reminisce the time when we used to perform together."
One other host HeeChul responded, "Oh, that would have been nice. You all must have gotten quite emotional."

He laughed and explained, "It had been way too long since we performed 'Energetic' that we just ended up completely messing it up. Good times, though. Good times."

The 11 "national-picked" 'Produce 101 Season 2' contestants then promoted together for about 18 months until this January.
(Credit= JTBC Knowing Brothers, 'Stone Music Entertainment' YouTube)
(SBS Star)