Bleach Episode 52: Renji, Vow to his Soul! Battle to the Death with Byakuya
Episode 52 of 366 of Bleach, aired October 4, 2005, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Abarai Renji runs toward the site of Rukia execution hoping to save her. He is stopped by Kuchiki Byakuya, his captain and Rukia's brother. Byakuya refuses to let him pass and attacks. During the fight Renji releases his Ban-Kai; but can it be enough to defeat Byakuya?