Bleach Bleach Season 1, episode 136 Civil War in Hueco Mundo! Ulquiorra’s Death 6.7 / 10 August 8, 2007 24 min Several Arrancar betray Sōsuke Aizen and steal the Hōgyoku. Previous episode Kon is Deceived! Rangiku on the Lookout… Next episode The Malicious Battle, Aizen’s Trap