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One Piece S01E12, Clash with the Black Cat Pirates! The Great Battle on the Slope!S01E12

One Piece · Season 1

One Piece season 1 episode 12: Clash with the Black Cat Pirates! The Great Battle on the Slope!

Aired 2 February 200025 minRated M

7.1TMDB · 38 votesMark watched

Where to watch One Piece Season 1 in Australia

One Piece season 1 is streaming in Australia on Netflix (subscription).

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Stream (subscription)

Availability checked 16 November 2026.

What happens in “Clash with the Black Cat Pirates! The Great Battle on the Slope!”

Usopp resolves to keep his story of pirates attacking the town a lie by making sure none reach it. Luffy, Zoro, Nami, and Usopp then try to keep the Black Cat Pirates at bay.

Episode summary: TMDB.

Before you watch

  • It is episode 12 of 61 of season 1, so watch episodes 1 to 11 first.
  • It runs about 25 minutes.
  • Written by Junki Takegami.
  • TMDB users rate it 7.1 out of 10 (38 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

Cast and crew of this episode

Writer
Junki Takegami
Guest stars
Koichi Hashimoto as Kurohadol / Kuro (voice)Kazuki Yao as Jango (voice)Jin Domon as Merry (voice)Tsuyoshi Takishita as Pirate (voice)Osamu Ryutani as Pirate (voice)

Credits: TMDB.

More from One Piece Season 1

Previous · S01E11Expose the Plot! Pirate Butler, Captain Kuro!26 January 2000Next · S01E13The Terrifying Duo! Meowban Brothers vs. Zoro!9 February 2000
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Every episode of Season 1One 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.