Its episodes are directed by Kōnosuke Uda and Munehisa Sakai and produced by Toei Animation.

The season centers around the intrigue of Water Seven as Nico Robin leaves the crew to seemingly join up with Cipher Pol No.

9, a hidden organization under the world government as the Straw Hat Pirates are accused of an attempted assassination on Iceberg, the leader of Water Seven and the Galley-La Company.

Later, after finding out the Going Merry was unrepairable, Usopp leaves when Luffy reluctantly admits that the ship is done for.

In English speaking territories, "Mirai Koukai" was replaced with "Eternal Pose" due to music licensing issues.