User blog comment:Godisme/The Fire3/@comment-5408536-20120912160549/@comment-1393830-20120912161222

Of course Yamamoto never used his Bankai in the anime, he only released it this chapter. The anime was cancelled long before then. Read chapter 507 if you would like to see Yamamoto's Bankai and read Chapter 504 if you would like to see Chojiro's.