[3] On the show, he performed a sketch called "Do-Re-Mi Trio," in which he and two other comedians sang excerpts of popular songs, adding comedic punch lines to the end.

The match caused an uproar from Girls' Generation fans, in part due to the 11-year age gap between the two entertainers.

[13] In November 2015, Jung's agency, FNC Entertainment, announced that he was taking a break from all activities due to his anxiety disorder.

At the time, he was a cast member or host on several television shows, including Infinite Challenge, Weekly Idol, and Please Take Care of My Refrigerator.

[18] On November 5, 2020, it was announced by Jung's agency FNC Entertainment that he will take another break from all activities due to anxiety disorder relapse.