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This is #onepiece anime

ohk, i have heard about it but never seen it. How many episodes are there till now ?

There are 1070 episodes till now.

also there are 15+ movies, only few are related to the main story.
Check this movie before deciding if you want to watch the series or not.
https://aniwatch.to/one-piece-the-movie-14-stampede-316?ref=search