The episodes use four pieces of theme music: two opening themes and two ending themes. The first opening theme is "As the Dew" by Garnet Crow until episode 582. The second opening theme beginning in episode 583 is "Summer Time Gone" by Mai Kuraki. The ending theme "Hello Mr. My Yesterday" by Hundred Percent Free is used for episodes 565 to 587. Starting 588, the ending theme is "Tomorrow is the Last Time" by Mai Kuraki. The season began airing on February 27, 2010 on Nippon Television Network System in Japan. The first DVD volume for season 19 is slated for January 28, 2011. __TOC__