Darker than Black: Gaiden 480p BD Dual Audio
Tells the story of what happened to Yin and Hei between the first and second series.
- Type: Special
- Episodes: 4
- Status: Finished Airing
- Aired: Jan 27, 2010 to Jul 21, 2010
- Producers: Square Enix
- Licensors: FUNimation Entertainment
- Studios: Bones
- Source: Original
- Genres: Action, Mystery, Sci-Fi, Super Power
- Duration: 24 min. per ep.
- Rating: R – 17+ (violence & profanity)