Les mystères d'Halloween2025MysteryDocumentaryOctober 18, 2025 · IrelandSave to watchlistMark as seenShareDetailsStatusReleasedRelease dateOctober 18, 2025Original languageFrenchCountriesIrelandProductionRTÉ,ARTE GEIE,Tile FilmsBudgetNot recordedRevenueNot recorded