Skip to content
Compare TV
One Piece S12E421, The Friends' Whereabouts! A Princess Negativity and the King of Demons!S12E421

One Piece · Season 12

One Piece season 12 episode 421: The Friends' Whereabouts! A Princess Negativity and the King of Demons!

Aired 11 October 200924 minRated M

7.4TMDB · 8 votesMark watched

Where to watch One Piece Season 12 in Australia

We could not find One Piece season 12 on any streaming, free or buy service in Australia right now.

We refresh this every day, so check back soon.

Availability checked 16 November 2026.

What happens in “The Friends' Whereabouts! A Princess Negativity and the King of Demons!”

Zoro is held against his will by the pink-haired princess of bad vibes, Brook gets mistaken for the king of darkness, and Luffy continues to eat his way toward a reunion with Fire-Fist Ace!

Episode summary: TMDB.

Before you watch

  • It is the season finale of season 12, so watch episodes 408 to 420 first.
  • It runs about 24 minutes.
  • TMDB users rate it 7.4 out of 10 (8 votes).

One Piece trailer

The official trailer for the series (no preview of this episode has been published).

One Piece trailerPlay video: One Piece trailer

More from One Piece Season 12

  1. E408
  2. E409
  3. E410
  4. E411
  5. E412
  6. E413
  7. E414
  8. E415
  9. E416
  10. E417
  11. E418
  12. E419
  13. E420
  14. E421

Every episode of Season 12One Piece episode guide

Episode names, air dates, runtimes, stills and ratings: TMDB. Air dates are the first broadcast anywhere; where it streams is our daily Australian check.