Bleach Episode 25: Penetrate the Center with an Enormous Bombshell?
Episode 25 of 366 of Bleach, aired March 29, 2005, 23 minutes. Available with English subtitles and dub where released.
Episode summary
Ichigo finally learns to concentrate his spirit energy. They learn that Ganju will be going with them since he has to chant a spell to help them break into the barrier. He also reveals to them the secret about his brother. They then blast off towards the barrier and prepare for impact. But, it seems that they may be separated after the impact.