Long Running - One Piece

One Piece Red releases in India today. Here are some of the longest running anime that make One Piece look like a cakewalk

10 longest-running shonen anime and manga series, ranked

Is One Piece the longest running manga series? - Quora

Top 10 Best Long Running Anime Franchises

How Long Would Binging All of One Piece Take?

Is One Piece the longest running manga/anime? - Quora

RUN! RUN! RUN!, One Piece Wiki

Long Running Japanese Manga 'One Piece' Coming to an End - Bleeding Fool

How much filler is in One Piece?

What are the best One Piece arcs according to fans? - Animo_ - Quora