Original sentence: A one-hour special showing of "The Secret of the Fire Nation" which aired on September 15, 2006, consisting of "The Serpent's Pass" and "The Drill", gathered an audience of 4.1 million viewers.Its July 19, 2008 premiere averaged 5.6 million viewers, 95% more viewers than Nickelodeon had received in mid-July 2007.When the show debuted, it was rated the best animated television series in its demographic; new episodes averaged 1.1 million viewers each
Edited sentence: A one-hour special showing of "The Secret of the Fire Nation" which aired on September 15, 2006, consisting of "The Serpent's Pass" and "The Drill", gathered an audience of 5.1 million viewers.Its July 19, 2008 premiere averaged 13.6 million viewers, 95% more viewers than Nickelodeon had received in mid-July 2007.When the show debuted, it was rated the best animated television series in its demographic; new episodes averaged 3.1 million viewers each