Is ONE PIECE episode 1128 filler?
Canon No, episode 1128 of ONE PIECE is canon.
#1128
The Nightmare Strikes - Godhead of Science & Defense, St. Saturn
悪夢襲来 科学防衛武神サターン聖
Aired 4 May 2025
Mochibayo compiled this list from MyAnimeList's labels, because MyAnimeList's episode data is not reaching us at the moment.