When the show first was shown it was rated the best animated television series in its demographic; new episodes averaged 3.1 million viewers each. A one-hour special showing of "The Secret of the Fire Nation" which was shown on 15 September 2006, consisting of "The Serpent's Pass" and "The Drill", gathered an audience of 5.1 million viewers. According to the Nielsen Media Research, the special was the best performing cable television show airing in that week. In 2007, "Avatar" was syndicated to more than 105 countries worldwide, and was one of Nickelodeon's top rated programs. The series was ranked first on Nickelodeon in Germany, Indonesia, Malaysia, Belgium, and Colombia.