text: First season Darker than Black was conceived by Tensai Okamura and produced by Bones and Aniplex. The series was broadcast on MBS and TBS from April 6 to September 28, 2007. The series was also streamed on Nifty during its broadcast run. Aniplex collected the episodes on nine DVD sets which were released from July 25, 2007, to March 26, 2008. The ninth and final set included an additional episode, , which explored the characters' romantic relationships. A Blu-ray box set, which included a guidebook and several unreleased musical tracks not available on the original soundtrack, was released in Japan on September 30, 2009.
  On July 1, 2007, Funimation announced at Anime Expo that they had licensed the series. Funimation began streaming the series, with an English dub, in September 2008. They collected the series on six DVD sets, which were released from November 25, 2008, to August 11, 2009. Darker Than Black began airing on the Funimation Channel in September 2010. Funimation released the season on Blu-ray on May 12, 2015. In January 2016, the company said that their rights to the series had expired. Manga Entertainment released the series in the United Kingdom as a compilation, and Madman Entertainment licensed it in Australia.
  Second season
  A second season, , was broadcast on MBS and TBS from October 9 to December 25, 2009. Aniplex collected the episodes in nine DVD/Blu-ray sets, which were released from December 23, 2009, to July 21, 2010.
  On July 2, 2010, Funimation announced at Anime Expo that they had licensed the second season. Funimation released the series on DVD and Blu-ray on November 8, 2011. Their rights to the second season expired in 2018. Manga Entertainment released the series in the United Kingdom as a compilation, and Madman Entertainment licensed it in Australia.