How: Many Episodes Is In Naruto Shippuden
This is where many fans hit "The Wall." Around the time the Shinobi World War begins, the anime threatened to overtake the manga. The studio inserted a massive block of filler episodes involving characters like Chikara and a lengthy arc involving the "Seven Swordsmen of the Mist" that retconned several events. If you find yourself bored around episode 300, check a filler list—you might be watching non-canon fluff.
Often cited as one of the greatest arcs in anime history. how many episodes is in naruto shippuden