Bleach: Season 7, Episode 138
Everyone is training to achieve stronger power for the upcoming Winter War. Rukia & Orihime are training there powers, Matsumoto & Yumichika are training for bankai, Renji is training to make Chad stronger and Ichigo is training his Vizard powers. In the midst of all this training, a group of Espada power level Arrancars attack the real world. They are Yammy, Luppi, Wonderwice and Grimmjow, which is run by Ulquiorra. They start there attack on Hitsugaya's group. Meanwhile, Rukia and Orihime try to get to real world. And Ichigo goes looking for Grimmjow. And Urahara goes to the battlefield.