Zou
season number: 18
number of episodes: 55
IMDb: tt5872360
overview
After defeating Doflamingo, the Straw Hats, Trafalgar Law, Kin'emon, and Kanjuro arrive on Zou, in order to reunite with Sanji and the others. However, they discover that Sanji has been swept up in a set of personal and political entanglements and that Zou has been subjected to a siege by Jack of the Beasts Pirates.