The original One Piece manga began serialization in Weekly Shōnen Jump on July 22, 1997, while the One Piece anime first aired on October 20, 1999.

Key dates at a glance

  • Manga debut: July 22, 1997, in Weekly Shōnen Jump.
  • Anime premiere (Japan): October 20, 1999, on Fuji TV.
  • Season 1 broadcast span: October 20, 1999 – March 2001 (East Blue arc).

Which “came out” are you asking?

When people ask “when did One Piece come out?” they usually mean one of three things:

  1. The manga started in 1997.
  1. The long-running anime started airing in 1999.
  1. Regional premieres (like the U.S. TV debut in 2004) came later.

If you tell which version or region you care about (manga, anime, Netflix live-action, etc.), more precise dates can be listed. TL;DR:

  • Manga: July 22, 1997.
  • Anime: October 20, 1999.

Information gathered from public forums or data available on the internet and portrayed here.