I hear that it's in fillers, and all that, but I want to know - as I only read the manga - are all the events that happened when Ichigo went to save Rukia in the anime, already? Or what?

I'd like to check out some of the fights that happened - mostly Ichigo and Abara Renji's fight and Ichigo and Kuchiki Byakuya - but yeah, mainly all the events that they went through the moment Ichigo trained with Urahara Kisuke to the point where Aizen left, and then Ichigo and them did, too.

So yeah, what episodes are those, if they have been made into the anime, yet?

There is an anime but it's all in Japanese. At least I think so.

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I already know it's an anime. But, DatteBayo subs it so it being in Japanese is no problem.

well i think byakyas battle is in ep 57 or something,not so sure bout the rest