read the comics, you dont have to deal with the pointless filler eps. I never understood how naruto can get strong and train so much but become weak throughout most of the series. His strength and abilities change so much per ep, its just abused as a convenient way to add conflict. Whats worse is they abuse his clone technique way too much with no purpose. Character developement is important in story telling, naruto just seems to develope and then after a certain point just stagnates till the series is over.