Leo Howard was certified as the youngest TV director ever by the Guinness World Records for directing a show that originally aired on which TV Channel ?
Leo Howard:  Howard was certified as the youngest TV director ever by the Guinness World Records for his work on the episode "Fight at the Museum" in the fourth season of the "Kickin' It" TV series at age 16. Kickin' It: Kickin' It is an American martial arts-inspired comedy television series that originally aired on Disney XD from June 13, 2011 to March 25, 2015.
Disney XD