This is nice! I see you have episode 377 as the highest rated. I am not able to find it in the plot though. Maybe worth highlighting. And maybe add some way to follow the passage of time / seasons / episode number rather than a very very long chain?
Summary
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Every episode of One Piece coloured after imdb rating, updated weekly
Description
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Inspired by the straw-hat crews journey between islands, so each episode is it's own 'island', and the route between them is the sea-journey to the next episode.