What went wrong in Bleach? Some fillers, just like in Naruto. Fillers ruin everything. If it were me, I would remaster Bleach and Naruto and cut off all the fillers. They would be clean 10/10 anime if fillers were to be eradicated as the abscesses they are. Except with the girls on the beach, those ones can be left be.
Bleach is back, can't wait for the manga, hopefully also the novels ecranisations!