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Watching earlier episodes in season 6 helps you follow the plot and character arcs leading into this episode.

Watch Miraculous, les aventures de Ladybug et Chat Noir Season 6 Episode 12 Online

Q: Where can I watch “Miraculous, les aventures de Ladybug et Chat Noir” Season 6 Episode 12 online?

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“Le Château Noir” — Watch "Miraculous, les aventures de Ladybug et Chat Noir" Season 6 Episode 12 online in HD for free. Check streaming providers, cast, and episode details.

Oct 19, 2025 Season 6 Episode 12 22 min G

8.8 ★ ★ ★ ★ ★

6 votes

Miraculous, les aventures de Ladybug et Chat Noir Season 6

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Season 6 Episode 12 — Aired on Oct 19, 2025 • runs about 22 minutes.

Directed by Thomas Astruc, Wilfried Pain.

Written by Thomas Astruc, Sébastien Thibaudeau.

Notable cast/guest names in this episode include Anouck Hautbois, Benjamin Bollen, Marie Nonnenmacher, Thierry Kazazian.

This page includes 1 official still(s) (when available) plus legal availability links.

Looking for “watch Miraculous, les aventures de Ladybug et Chat Noir Season 6 Episode 12 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.

Synopsis

A l’occasion de l’anniversaire d’Alix, Marinette monte un plan pour lui permettre de passer la journée avec ses amis et sa famille. Pour cela, elle récupère le Miraculous du Lapin, devenant ainsi la gardienne du temps pour quelques heures… Mais un super-vilain d’un nouveau genre va bouleverser ses plans, menaçant de gâcher la fête.