"To direct an episode" means to be in charge of overseeing and guiding all aspects of filming and directing a single episode of a TV show or series. Full definition
He's also directed an episode back in season three. (justjared.com)
Directed by Jim Burrows (Partners), who also directed episodes of «Laverne and Shirley» with Penny Marshall, this is a small television movie that has more wit, charm and grace than most romantic comedies made today. (qwipster.net)
Hiroyuki Yamashita, who directed episodes of Naruto: Shippuuden and the Road to Ninja movie, will be directing the film. (goodereader.com)