One Piece Season 2 premieres March 10, 2026, on Netflix, following the Straw Hats into the Grand Line with new threats and expanded storylines.

One Piece Season 2, titled *Into the Grand Line*, premieres on Netflix on March 10, 2026. The new trailer reveals the Straw Hat Pirates entering the Grand Line, facing Baroque Works agents, exploring new islands like Little Garden, and encountering powerful foes including Mr. 0 (Joe Manganiello). The season highlights Chopper’s superpowered form, expanded arcs from the manga, and emotional storylines involving Doctor Hiriluk and Wapol. Creator Eiichiro Oda praised the season’s bold direction, confirming it will break from Season 1’s conventions. Season 3 is already in development.