S1·E251 Dark History! The Worst Shinigami Is Born
Aired December 22, 2009
Synopsis
6th Division Captain Ginrei Kuchiki and Captain-Commander Genryūsai Shigekuni Yamamoto are forced to seal Kōga Kuchiki away. In the present, 6th Division Captain Byakuya Kuchiki stops Kōga from killing Muramasa.