Input (grade 13): Avatar: The Last Airbender (also known as Avatar: The Legend of Aang) is an American animated television series that aired for three seasons on Nickelodeon from 2005 to 2008.
Output (grade 12): Avatar: The Last Airbender (in Europe known as Avatar: The Legend of Aang) is an American animated television series that aired for three seasons on Nickelodeon.