Season One of Avatar: The Last Airbender, an American animated television series on Nickelodeon, aired 20 episodes from February 21, 2005 to December 2, 2005. The series was created by Michael Dante DiMartino and Bryan Konietzko, and starred Zach Tyler Eisen, Mae Whitman, Jack DeSena, Dante Basco, Dee Bradley Baker, Mako and Jason Isaacs as the main character voices. The season revolves around the protagonist Aang and his friends Katara and Sokka and their journey to the North Pole to find a Waterbending master to teach Aang and Katara. The Fire Nation is waging a seemingly endless war against the Earth Kingdom and the Water Tribes, Air Nomads. Aang, the current Avatar, must master the four elements to end the war. Along the way, Aang and his friends are chased by various pursuers: banished Fire Nation Prince Zuko, former General Iroh, and Admiral Zhao of the Fire Navy. Each episode of Season One attracted more than a million viewers on its first airing. Season One won "Best TV Series" and "Best Animated Television Series" in the boys 9–14-year old demographic at the 2005 Pulcinella Awards, which gives awards for excellence in animation.