Episode 569

{{Episode Box
 * Translation      = Revealed Secret · The Truth of Ancient Weapons
 * #                = 569
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 * Kanji            =
 * Romaji           =
 * Airdate          = October 21, 2012
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 * S                =
 * V                =
 * English          =
 * Airdate_Funi     = October 20, 2012
 * Opening          = We Go!
 * Screen           =
 * Art              =
 * Ad               =
 * Ed               =
 * chapter          =
 * format           = 16:9 (HDTV)
 * eyecatcher       =
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"Revealed Secret · The Truth of Ancient Weapons" is the 569th episode of the One Piece anime.