Watch Darker Than Black Gaiden Anime in High Definition for Free at Anime Crazy Darker Than Black Gaiden Othername: Darker than Black: Kuro no Keiyakusha Gaiden, Darker than BLACK -黒の契約者 外伝 Type: TV Series Released: 2010 Status: Completed Genre: Comedy Parody Sci-Fi Synopsis: The story of what happened to Yin and Hei between the first and second series. Darker Than Black Gaiden Episode List Darker Than Black Gaiden Episode 13 years ago Darker Than Black Gaiden Episode 23 years ago Darker Than Black Gaiden Episode 33 years ago Darker Than Black Gaiden Episode 43 years ago