The MBC entertainment program 'Infinite Challenge' member Haha met singer Zion T and his father, who looked as stylish as Zino T. On the most recent episode of the popular MBC entertainment program 'Infinite Challenge,' which aired on July 19, 2015, the MBC entertainment program 'Infinite Challenge' members and the singer songwriters who are participating at the music festival practiced and talked about their musical objectives. Haha on this day's episode picked up Zion T and his father, and talked briefly about the kind of a son Zion T is. In related news, on the most recent episode of the popular MBC entertainment program 'Infinite Challenge,' which aired on July 19, 2015, the MBC entertainment program 'Infinite Challenge' members practiced with their partner singer songwriters whom they are performing at the MBC entertainment program 'Infinite Challenge' music festival together. The MBC entertainment program 'Infinite Challenge' is one of the popular, long lasting entertainment programs in Korea. It features the Infinite Challenge members Ha Ha, Park Myung Soo, Yoo Jae Suk, Jung Joon Ha, and Jung Hyung Don.