The show was produced by and shown on Nickelodeon, which is owned by Viacom. The show's creators, Michael Dante DiMartino and Bryan Konietzko, worked with Aaron Ehasz. Eight episodes were directed by Dave Filoni. Animation directors Lauren MacMullan and Giancarlo Volpe directed five episodes each, and Anthony Lioi directed two. Episodes were written or co-written by a team of writers, which included Nick Malis, John O'Bryan, Matt Hubbard, James Eagan, Ian Wilcox, Tim Hedrick and Elizabeth Welch Ehasz. All of the show's music was written by "The Track Team", which consists of Jeremy Zuckerman and Benjamin Wynn, who were known to Dante and Konietzko because Zuckerman was Konietzko's roommate.