The availability of the complete One Piece anime series on Netflix is limited due to a complex web of licensing agreements. Rights for distributing anime content are often divided geographically and platform-specifically, meaning different companies may hold the distribution rights for specific regions or streaming services. This fragmentation results in varying catalogs across different Netflix regions.
Securing comprehensive distribution rights for a globally popular anime such as One Piece involves significant investment and negotiation. The original copyright holders, production companies, and various distribution partners each play a role in determining where and how the series is available. Historical distribution deals made prior to the rise of streaming services further complicate the landscape.