Question: 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 ?
Sentence (from "Kickin' It"): Created and executive produced by Jim O'Doherty, the series follows the karate instructor at an under-performing martial arts academy, played by Jason Earles, and his five misfit students, played by Leo Howard, Dylan Riley Snyder, , Olivia Holt, and .
Relevant evidence: No