Getting into a sequence with more than one,000 episodes is complicated, but A single Piece is worthwhile. It's not deemed the best anime of all time for nothing at all. Just one Piece features a number of the most intricate, complex environment-developing and ideal storytelling in anime.
2021 update: I've been over the fence about deleting this as it's so badly created, I was seventeen at time of creating and not a local speaker, and my view on 1 piece and anime in general has this site adjusted substantially for your even worse.