Singer IU participated in filming of the entertainment program "Running Man," making the audience laugh.
On SBS "I Like Sunday - Running Man," aired on October 20, 2013, Park Myung Soo and IU appearaed and joined the missions for the day. IU showed her determination for the win on the boxing ring.
On that day's episode, "Running Man" members each appeared on the ring and played the game of getting the other person's name tag. IU, who got up on the ring as a third player, collaborated with Song Ji Hyo and attacked Haha.
In the other games after the boxing ring, IU's passionate attack and defense for her team gained the "Running Man" members' attention and surprise.